Added Support of Show SIP Error Response feature [Show SIP Error Response]
Added Support of Enable Hook Switch feature [Enable Hook Switch]
Added Support of Contact Source Priority feature [Contact Source Prioriy]
Added Support of Direct IP Call [Enable Direct IP Call]
Added Support of Use Quick IP Call Mode [Use Quick IP Call Mode]
Added Support of Predictive Dialing Feature [Predictive Dialing Feature]
Added Support of Predictive Dialing Source [Predictive Dialing Source]
Added Support of On-hook Dial Barging feature [Onhook Dial Barging]
Added Support of Auto Redial feature [Auto Redial]
Added Support of Call Completion Service [Enable Call Completion Service]
Added Support of Incoming Call Popup feature [Incoming Call Popup]
Added Support of Missed Call Notification feature [Missed Call Notification]
Added Support of Call Waiting Tone [CALL WAITING TONE]
Added Support of In-call DTMF Display [In-Call DTMF Display]
Added Support of Show on Hold Duration feature [Show On Hold Duration]
Added Support of Auto Unmute feature [Enable Auto Unmute]
Added Support of Busy Tone on Remote Disconnect feature [Enable busy tone remote disconnect]
Added Support of enabling or disabling transfer function [Enable Transfer]
Added Support of Attended Transfer Mode [Attended transfer mode]
Added Support of Override DND feature [Override DND]
Added Support of enabling or disabling conference function [Enable Conference]
Added Support of Hold Call Before Adding Conferee feature [Hold Call Before Adding Conferee ]
Added Support of Hidden Number Plan [Hidden Number Plan]
Added Support of Warning tone [Enable warning Tone]
Added Support of Group listening with handset/speaker [Group Listen with handset][Group Listen with Speaker]
Added Support of multiple retries for the device to send requests to the server [Max Number Of Sip Request Retries]
Added Support of Failback Expiration time [Failback Expiration]
Firmware Version 1.0.1.57
Added System time zone display in web UI. [System Time-Zone]
Added Support of [Recommend Time Zone]
Firmware Version 1.0.1.50
Added ability to Use Route Set in NOTIFY. [USE ROUTE SET IN NOTIFY]
Added support for Auto Answer Numbers. [AUTO ANSWER NUMBERS]
Added support for configuring the number to be dialed as DTMF using the TRANSFER button.
[IN-CALL DIAL NUMBER ON PRESSING TRANSFER KEY]
Added Multicast Paging mode for MPKs on GRP2604/P. [MULTICAST PAGING MPK]
Added ability to configure VPKs. [VPK]
Added ability to use up to 3 XML Phonebook URLs. [Remote Phonebook]
Firmware Version 1.0.1.41
Added VLAN tag settings on device LCD menu. [Figure 5: GRP260x LCD settings]
Added support for Line LED color scheme. [Line LED Color Scheme]