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DLS Hosted PBX Release Notes

These Release Notes are updated with each release of the DLS Hosted PBX – a hosted VoIP software platform provided by the DLS Internet Services.

DLS Hosted PBX version 5.2 – Released May 3rd, 2017

Feature Enhancements:

Browser Softphone

  • Browser softphone can now have its own E911 profile specified at the primary extension
  • Add call forward capability to the browser softphone
  • Add busy tone to the browser softphone
  • Briefly keep terminated calls displayed with the termination reason, if available, in the browser softphone


  • Conference bridge recording retention is now customizable
  • Add the ability to schedule conferences through email


  • Improve SalesForce opportunities integration


  • Provisioning support for Cisco 7841, and 8945
  • Provisioning support for Grandstream GXP1610, GXP1615, GXP1620, GXP1625, GXP1628, GXP1630, GAC2500, and GXV3275
  • Provisioning support for Polycom RealPresence Trio 8800, video not yet supported
  • Provisioning support for Obihai OBi202
  • Allow changes made by the web interface of a Polycom handset to remain persistent between reboots
  • Certain handsets can now provision without using the /configs/ suffix path
  • Add web-based Zero Touch Provisioning (ZTP) for certain Polycom and Yealink handsets


  • Video and HD audio support for on-net calls
  • Add Blynclight USB support to the DLS Click to Dial tool
  • Allow scheduling PBX settings snapshots


  • Add a PBX phone number quick select menu to the call and fax report forms
  • Add a field to restrict queue call reports by phone number
  • Consolidate the agent calls report types into the queue calls report
  • Allow changing filters after a report has been run without navigating back to the main form
  • Allow exporting and scheduling change log and login log reports
  • Call Quality, CDR, CEL, and Queue record retention can now be customized for up to 5 years
  • Add a new custom report type that allows choosing columns and advanced filter combinations
  • Add a reporting API


  • Permit remote callers to log in as preemptive queue agents

Web Interface

  • Improve interface save speed and configuration generation speed
  • Allow using a microphone to create recordings from your browser at Apps->User Recordings and System->Recordings
  • Allow users to enable time-based one-time password (TOTP) two factor authentication for enhanced account security
  • Add additional sorting capability to various tables across the PBX’s interface
  • Add persistent column sorting and filtering settings for status page tables
  • Move call recording permission settings to System->Permissions
  • Add the ability to bulk apply recording enable state settings at Users->Call Recordings
  • Allow configuring multiple voicemail email addresses for a single user
  • Several feature codes can now be set to blank to disable them
  • Added option in system->basic to allow/disallow email authentication in voicemail links


  • Allow customization of the PBX’s header logo.
  • Allow customization of the Companion Panel’s logo.
  • The PBX domain can now be whitelabeled using a custom SSL certificate
  • Added support for whitelabeled fax domain names
  • The social links below the navigation menu can now be whitelabeled
  • Voicemail email company name and from address can now be whitelabeled

DLS Hosted PBX version 5.1.4 – Released November 24th, 2015

Bug Fixes:

  • Re-enable sidecar support for Soundpoint 601 handsets.
  • Fix failure to transfer or park an answered queue call in the companion panels.
  • Fix a stall in the operator panel server that can occur if no users have voicemail enabled.

DLS Hosted PBX version 5.1.3 – Released November 13th, 2015

Bug Fixes:

  • Remove support for custom jitter buffers on legacy Polycom handsets.
  • Correct minimum buffer size when using the Polycom adaptive audio jitter buffer.

DLS Hosted PBX version 5.1.2 – Released November 3rd, 2015

Bug Fixes:

  • Correct the link for Apps->Panels when using the tree-style menu.
  • Fix audio files download for TranscriptionHub.
  • Fix end date calculation for DST.

DLS Hosted PBX version 5.1.1 – Released October 23rd, 2015

Bug Fixes:

  • Reverting a queue to no agent announcement was not taking effect.

DLS Hosted PBX version 5.1 – Released July 13th, 2015

Training Video:

Feature Enhancements:


  • Maximum wait time added to queue activity summary report
  • Queue reports filter selections include ‘all agents’ and ‘all queues’
  • Fax reports can be filtered by user, group, direction, and outcome
  • Change log and login log filters
  • Conference reports now contain links to associated recordings
  • New summary call report by phone number
  • New call quality report
  • Expanded list of database tables for customer read access
  • Display group and extension names in call status


  • Replace FOP2 with in-house HTML5 Companion Panel
  • Call barging capability
  • Granular permissions
  • Voicemail indicators
  • Integrated softphone
  1. Call Handling and Routing
  • Call quality monitoring with alerts
  • Routing triggers based on call quality
  • Outbound blind transfer
  • Blind transfer feature code customization
  • Jitter buffer management on handsets and PBX
  • Comment option in the routing tree

Web Interface

  • Integrated simple chat client
  • Browser based softphone
  • Billing management interface
  • Handset reboot via web interface

BLF (Busy Lamp Feature)

  • BLF support for Do Not Disturb
  • BLF monitoring of conferences
  • BLF monitoring of queues
  • BLF monitoring of parking lots
  • Display user BLF on status page
  • Speed-dial button appearance on Polycom UC

Salesforce.com CRM integration

  • Screen pop on incoming and outgoing calls with notes
  • Contact import/export
  • Call log synchronization
  • Caller name query to CRM on inbound calls
  • Insert call recording URLs into Salesforce interface

LDAP support

  • Custom import filters
  • Import merge management


  • Bria 4 provisioning support
  • Yealink SIP-T48G provisioning support

SIP Peering module

  • Route to or from other SIP devices/networks
  • First or last digit stripping inbound or outbound

DLS Hosted PBX version 5.0 – Released June 3rd, 2014

Feature Enhancements:


  • Pre-emptive agent mode provides immediate connection to an available agent
  • Play an optional message on intervals or between music on hold recordings
  • Report the caller’s hold time to agent configured per queue
  • Queue call volume report
  • Queue service level report
  • Queue performance detail report
  • Agent performance detail report


  • Transmission history and archive
  • 33 new file type conversions including docx, xlsx, pptx and open office formats
  • T.38 support for email to fax and ATA devices
  • Fax detection in routing tree or per extension
  • Legal and Letter paper size support
  • Improved transmission reliability and error reporting
  • Success notification emails
  • Outbound CallerID configuration
  • CC multiple fax numbers for email to fax
  • Inbound delivery to multiple email addresses
  • Custom HTML header and footer for fax confirmations
  • Improved reporting


  • Video conferencing for internal users
  • Improved user experience and performance
  • Additional settings for conference bridges
  • Enter a specific conference bridge via routing tree
  • Conference monitoring via FOP2
  • Conference sessions report


  • Mark message as read when accessed via web
  • Folder management via web interface
  • Auto-archive and auto-delete timers
  • Upload and manage greetings via web interface
  • Synchronize email subject and file attachment numbering
  • Override or skip default caller instructions
  • Enter main menu through routing tree
  • Adjustable recording times
  • Display messages as new or old on status page


  • Create and share report templates
  • Schedule reports to be delivered automatically
  • Adjustable default time span for each report type
  • Quick time span selection on reports
  • Call type / time zone indicator and caller-name popup on call detail reports
  • Enhanced filtering for call reports
  • Group call report
  • Call volume graph report


  • Provisioning support for Bria 3
  • Provisioning support for Polycom VVX sidecar
  • Provisioning support for Cisco 7945
  • Visual voicemail on supported handsets to view message details, move between folders, and play specific message
  • Status page to assist in provisioning handsets
  • Encryption of handset configuration files
  • FOP2 phonebook enabled
  • Custom ordering of BLF keys

Call Routing

  • Office hours have an optional year field
  • Block incoming Caller-ID per extension
  • Call Screening per extension
  • Blacklist groups for inbound or outbound calling
  • Follow-me can ring multiple destinations simultaneously
  • Follow-me supports multiple time periods
  • Follow-me feature code and XML toggle
  • Call Camping per extension and via transfer puts the caller into a private queue until the target extension is available


  • Modify BLF contacts without logging in as a specific user
  • International time zone support
  • Simplified emergency call routing configuration
  • Performance improvements when making various changes


  • Sync PBX users to corporate LDAP
  • Provision PBX users from LDAP
  • Use LDAP for contact directory management


  • Isolated user routing and extension numbering per tenant
  • System settings per tenant
  • Feature codes per tenant
  • Handset logos per tenant


  • Add descriptions to snapshots
  • Backup and restore MoH and system recordings
  • Exclude CDR and queue call records from snapshots

Predictive Dialer

  • Failure levels automatically adjust calling rate
  • Restrict calls by called time zone
  • Dispositions and campaigns can be set to hang up a callee upon being dispositioned
  • Multiple new and improved reports
  • Faster agent access to reduce incomplete calls
  • Simplified custom field management
  • Use AJAX for the agent portal


  • Polycom VVX 300, 400, 500, 600: Firmware 4.1.6.

DLS Hosted PBX version 4.2 – Released July 24th, 2013

Feature Enhancements:

  • Added Advanced Filtering for Call Recordings.
  • Link to Call Recording from Queue and Call Reports.
  • Call Reports enhancement: full CDR data and CEL details are available.
  • Added a condensed summary report for all calls on the call reports page.
  • Variety of Call Queue Reports for performance analysis and troubleshooting.
  • Added the ability to copy call routing branches.
  • Various call routing page usability enhancements.
  • Added a clear caller name prepend call routing option.
  • Added office hours groups that can be used with call routing.
  • Pattern and blocked Caller-ID matching on Selective Call Routing dialplan rules.
  • Per extension option to set handset dialing time-out.
  • Per extension option to disable daylight savings time.
  • Per extension option to enable STUN server support (on supported phones).
  • Changed status pages to update in the background.
  • Added search functionality to various commonly used pages.
  • Added a transcript field for system recordings.
  • Improved the system permissions page to be more user friendly.
  • Provisioning support for Grandstream GXP 2124/2200.
  • Provisioning support for the Yealink SIP-T2 series, SIP-T3 series, SIP-T4 series, DECT W52P and the VP530 video phone.
  • Provisioning support for Polycom VVX300, VVX400, and VVX600.
  • Provisioning support for Spectralink 8440, 8450, 8452.
  • Provisioning support for the Cisco SPA-112/501/502/508/512/514 phones.
  • Voicemail and call recordings can now be sent to Transcription Hub for text transcriptions of the audio files for an additional cost.
  • Streaming Music on Hold via Shoutcast/Icecast.
  • Free browser plugin for click to dial.
  • Update the weather feature to work directly with NOAA.

DLS Hosted PBX version 4.1 – Released October 31st, 2012

Feature Enhancements:

  • Design overhaul to the voicemail and call recordings pages allows sorting and paging.
  • Option on call recordings search to filter by date and phone number.
  • Re-name Clients menu category to Apps.
  • Sub-menus now wrap long names instead of truncating them.
  • Hide user device selection when manual configuration is selected.
  • Add admin permissions for user notification preferences.
  • Option to override the Caller-ID on an outbound call in the routing tree.
  • Added a reset button to the queues to reset statistics.
  • System option to toggle the agent status display on handsets.
  • System option to toggle the web apps on supported Grandstreams.
  • Per-extension option to monitor device status on manual devices.
  • Secure calling with TLS on Cisco, Polycom and manual devices.
  • Encrypted audio with SRTP on Cisco, Polycom, Grandstream, Aastra and manual devices.
  • Configuration support for the Polycom VVX500.
  • Configuration support for the Grandstream DECT DP710/715.
  • Voicemail with less than 2 seconds of talking are automatically discarded.
  • Hardware transcoding module for CPU performance enhancements.
  • Fax emails now contain a link for electronic signatures and editing.
  • The fax system can now translate PDFs created in Adobe v9 and later.
  • Email to fax now supports .doc files.
  • Authentication logging and filtering for the AMI interface.
  • A monthly security audit will email potential vulnerabilities to the admin.
  • Sipura interface user passwords are now set via the user profile.


  • Cisco SPA 3XX and 5XX: 7.5.1a
  • Polycom Soundpoint 321, 331, 550, 560, 650, 670, Soundstation 5000, 6000, 7000, VVX500, VVX1500: 4.0.2B
  • Polycom Soundpoint 335, 450: 4.0.3F

DLS Hosted PBX version 4.0 – Released April 16th, 2012

Feature Enhancements:

  • Inbound call security enhancements.
  • Switch MoH format to wav for native playback.
  • Attempt to convert uploaded MoH and recordings to the correct format.
  • Background images for Polycom 450, 550, 560, 650, 670, and VVX1500 handsets.
  • Supply a link to the billing reports from the call reports.
  • Added 15 and 45 second intervals to the parking timeout.
  • Enable/Disable handset web interface per device.
  • G722(wideband) codec support for Polycom IP, Polycom VVX, Cisco SPA, Aastra, Grandstream, and manual devices.
  • Option and new default to hide SIP secret from non-admin interface profiles.
  • Configuration support for Grandstream GXV3140, GXV3175, GXP2100, GXP2110, GXP2120, GXP1200, GXP1450, GXP280, GXP285.
  • Configuration support for Cisco SPA301, SPA303, SPA504, SPA509, SPA525.
  • Migrate some devices to HTTP from TFTP for configuration.
  • Automated reboot option for Grandstream phones.
  • Selection to allow agent MoH to override queue MoH.
  • User controlled communicatication perferences.
  • Additional logging for system and user deleted call recordings.
  • Add option for panels to toggle display of buttons for mirrored extensions.

DLS Hosted PBX version 3.2 – Released May 1st, 2011

Feature Enhancements:

  • Display parking lot number on call status page
  • Improved Parking Lot system
  • Integrated on-demand call recording
  • Barge method for call monitoring
  • Add support for Polycom SoundStation IP 5000 conference phone
  • Allow * in system feature codes
  • Update Click-to-Dial page with newer software links
  • Rename submenus for easier user recognition
  • XMPP (jabber) chat service
  • Pre-processing form validation
  • Upgraded operator panels to FOP2
  • User MoH settings now apply to outbound calls also
  • Conferences now prompt for a recording of the caller’s name
  • Conferences have an interactive menu (using *)
  • Web interface for real-time conference administration
  • Basic web interface intrusion detection and logging

DLS Hosted PBX version 3.1 – Released July 1st, 2010

Feature Enhancements:

  • Conference Call Recording
  • Remote Call Pickup
  • Restricted Contact Lists
  • Voicemail Blasting
  • Sticky MoH for Queues
  • Inbound MoH selection per user or via call routing
  • Whisper option on Call Monitoring
  • Audible recording notification option for single extension calls
  • HotPhone configuration support for Aastra, Polycom, Grandstream and Sipura
  • Microbrowser directory and other applications for Polycom and Aastra phones
  • Option to allow unrestricted access to override a recording
  • Disable email notifications of voicemail per user
  • Expansion of mirrored extensions to multiple handsets
  • Shared handsets
  • Automatic handset reboot option on config change
  • Option to disable the web UI on some handsets
  • Added a photo icon on the voicemail client to indicate when there is a video voicemail

Firmware Updates:

  • Aastra 6739i: 3.0.1
  • Grandstream GXV3000:
  • Polycom VVX1500: 3.2.3
  • Polycom 670: 3.2.3

DLS Hosted PBX version 3.0 – Released January 1st, 2010

Feature Enhancements:

  • New interface graphics and layout
  • Granular permissions profiles replacing the admin/user model
  • Ability to reset a user’s SIP secret
  • Aastra configuration support for 9143, 6731, 6739 touchscreen, 6753, 6755
  • Aastra blf keys now offer transfer capabilities
  • Aastra single stage configuration boot
  • Polycom configuration support for 321, 331, 335, 450, 670 color, 7000
  • Polycom configuration and server support for VVX1500 video phone
  • Settings change logging
  • Database management fixes and improvements
  • Configuration snapshots
  • Real time or offline interface editing
  • Channel utilization graph
  • Search call records by calling number
  • 32bit compatibility with ADA version 1.0
  • Customer access to admin API
  • Export option on summary by each extension report
  • User level option to use mouseover or tree menus
  • System option to allow caller-id passthrough on forwarded calls
  • Different MP3 player for MoH reduces upload time and improves audio quality
  • Re-ordering option on MoH files

Firmware Updates:

  • Aastra 6753i:

DLS Hosted PBX version 2.6 – Released December 15, 2008

Feature Enhancements:

  • Expanded support for Polycom and Aastra models
  • Support for Agent Queue login status display on select Polycom and Aastra phones
  • Added ability to assign contacts to BLF keys of select Polycom and Aastra phones using the Contacts page on the PBX
  • Added support for BLF status of watched extensions for select Polycom and Aastra phones
  • Added support for expansion modules for select Polycom and Aastra phones
  • Added groups to Call Parking which may be used to sandbox parked calls to a particular location/branch
  • Click-to-delete link in voicemail notification email no longer requires login cookies
  • Voicemail audio notifications now use less server resources
  • Added support for Grandstream GXV3000 video phone
  • Added support for pbx directory management to Grandstream phones
  • Added an option to choose fax delivery attachment format

DLS Hosted PBX version 2.5 – Released April 23, 2008

Feature Enhancements:

  • Wait command in routing tree accepts DTMF input
  • Weather information
  • Predictive Dialer SOAP API and Web Service
  • Calls to Directory Assistance (411/XXX-555-1212) may now be disabled

New Modules:

  • Conferencing Bridge

DLS Hosted PBX version 2.4 – Released August 1st, 2007

Feature Enhancements:

  • Video Codec passthrough support for h263 and h263p
  • SPA3102 FXO device support
  • DID Management interface
  • Manually configured devices are no longer monitored to support a wider range of devices
  • Added an option to select all messages in a voicemail box.
  • Users with view status can view fax status and generate predictive dialer reports for other users.
  • User-specific area codes for both primary and mirrored devices
  • 711 support
  • United Kingdom phone network support
  • “911 Profiles” are now called “Emergency Profiles”
  • Nomadic 911 support
  • Add a 1 second delay to playing pages to support some devices
  • Allow manually configured devices to be paged
  • Add routing for inbound calls to FXO devices to the main 911 CID number
  • Limited support for Cisco 7941

New Modules:

  • PBX to PBX Routing (direct routing of internal extensions between pbxs)

DLS Hosted PBX version 2.3 – Released March 22, 2007

Feature Enhancements:

  • Option to disable the voicemail envelope
  • Utilize VLANs on Cisco 7905, 7910, 7912
  • Web-based operator panel (replaces Presence Manager)
  • Round Robin with Memory agent hunting
  • Enable users to view status information
  • Option to use follow-me with a DID
  • Use native MoH player and format (replaces mpg123)
  • Removed Protocol settings for simplification
  • Real-time call reports
  • Customer DB access to call reports
  • Enhancements to IP Access controls
  • Module support for related enhancements
  • Changes to interaction between UI and PBX for future enhancements
  • Support for international numbers added to follow-me profiles
  • Support for international numbers added to “Dial Outbound” step
  • Queue options to enter or leave the queue when there are no agents
  • Looser format for MAC addresses in device manager
  • Option to disable the call-forwarding softkey on Polycom phones
  • Default CODEC changed to G.729
  • Context sensitive interface reference
  • Queue options to specify max wait time, max callers, wrap up time
  • Queue option to disallow retrying agents if a call is not answered
  • Support for Click-to-Dial from TAPI compliant applications
  • Support for monitoring in-progress calls

New Modules:

  • Predictive Dialer (Advanced outbound call center support with scripting)
  • Digital Fax Support (Fax to Email and Email to Fax capabilities)

DLS Hosted PBX version 2.2 – Released March 23, 2006

Feature Enhancements:

  • Device Manager interface
  • Mirrored Extensions
  • MoH during follow-me
  • VM detection during follow-me
  • Personalized Directory announcement
  • VM notification email included deletion link
  • Paging by Group
  • Incidental Caller-ID suppression available (*67)
  • More verbose errors when deleting items
  • Email alert on high drive space utilization
  • User and Administrative Manuals
  • Selective call routing based on Caller-ID
  • Per-user Voicemail Exit Contexts
  • Configuration support for GXP-2000

DLS Hosted PBX version 2.1 – Released February 8, 2006

Feature Enhancements:

  • Support for POTS 911 calls via Sipura SPA3000 devices
  • Automated provisioning of Sipura SPA941
  • Option to specify NTP server
  • Option to specify timezone per user
  • Users may now change their own web passwords
  • New firmware for Cisco 7905/7912 and 7940/7960
  • New firmware for Polycom 30X/50X/600
  • Time constraint options on all call reports

DLS Hosted PBX version 2.0 – Released September 9, 2005

Feature Enhancements:

  • Automated provisioning of Sipura SPA2000
  • Automated provisioning of Sipura SPA841
  • New text-to-speech engine to provide better pronunciation
  • Support for report summaries and details by user group
  • Windows-based Presence Manager application
  • Option to give calls different priorities before entering a queue
  • Option to disable hold position announcement
  • Configurable IP access lists for web interface and phone registration
  • 128-bit SSL encrypted web interface
  • Custom CallerID is now a pulldown of valid DIDs
  • CallerID Blocking

DLS Hosted PBX version 1.2 – Released May 25, 2005

Feature Enhancements:

  • Bulk call recording
  • Distinctive ringing
  • Distinctive Caller ID
  • Text only voice-mail notification
  • Audio voice-mail notification
  • Prefix for transfer to voice-mail
  • Scheduled call forwarding
  • System profiles for outbound calling preferences
  • Improved directory application
  • Simplify DID routing (remove answer step)
  • Improved E911 support
  • Automated provisioning of Cisco 7912
  • Option to hide logged-out agents in Queues status screen
  • Attempt to handle hand-crafted CSV files for contact uploads

DLS Hosted PBX version 1.1 – Released March 16, 2005

Feature Enhancements:

  • Follow-me
  • Paging/Intercom
  • Custom logos on Cisco 7940/7960
  • Ability to import contacts
  • Option to exit from voice-mail
  • Report enhancements
  • Upgrade page for db alterations and licensing changes
  • Automated provisioning of Cisco 7905
  • Automated provisioning of Polycom 300
  • Additional information on queue status
  • Voice-mail URL on e-mail notifications
  • Display of SIP password on web interface for manual configuration

DLS Hosted PBX version 1.0 – Released November 11, 2004