RTCP Enable ..........................................................................................................134RTCP-XR ................................................................................................................1344.5.3.4 Jitter Buffer ................................................................................................................135Maximum Delay ......................................................................................................135Minimum Delay .......................................................................................................135Initial Delay .............................................................................................................1354.5.3.5 DTMF .........................................................................................................................136DTMF Type .............................................................................................................136DTMF Relay ............................................................................................................136Telephone-event Payload Type ..............................................................................1364.5.3.6 Call Hold ....................................................................................................................136Supports RFC 2543 (c=0.0.0.0) ..............................................................................1364.5.3.7 CODEC Preferences .................................................................................................137G722 (Enable) .........................................................................................................137G722 (Priority) .........................................................................................................137PCMA (Enable) .......................................................................................................137PCMA (Priority) .......................................................................................................137G726–32 (Enable) ..................................................................................................138G726–32 (Priority) ...................................................................................................138G729A (Enable) ......................................................................................................138G729A (Priority) ......................................................................................................138G729A (Annexb) .....................................................................................................139PCMU (Enable) .......................................................................................................139PCMU (Priority) .......................................................................................................1394.5.3.8 NAT Identity ...............................................................................................................139RTP Keep Alive Interval ..........................................................................................1394.6 Telephone ......................................................................................................................1404.6.1 Call Control ...................................................................................................................1404.6.1.1 Call Control ................................................................................................................140Inter-digit Timeout ...................................................................................................140Timer for Dial Plan ..................................................................................................140International Call Prefix ...........................................................................................141Country Calling Code ..............................................................................................141National Access Code .............................................................................................141Hold Recall Timer ...................................................................................................141Default Line .............................................................................................................1424.6.1.2 Call Rejection Phone Numbers .................................................................................1421–30 ........................................................................................................................1424.6.2 Call Control [Line 1]–[Line n] ........................................................................................1424.6.2.1 Call Control ................................................................................................................143Display Name ..........................................................................................................143Send SUBSCRIBE to Voice Mail Server ................................................................143Voice Mail Access Number .....................................................................................144Enable Shared Call .................................................................................................144Feature Key Synchronization ..................................................................................145Conference Server URI ...........................................................................................145Resource List URI ...................................................................................................145MoH Server URI ......................................................................................................1464.6.2.2 Dial Plan ....................................................................................................................146Dial Plan ..................................................................................................................146Call Even If Dial Plan Does Not Match ...................................................................1464.6.2.3 Call Features .............................................................................................................147Block Caller ID ........................................................................................................147Block Anonymous Call ............................................................................................147Do Not Disturb ........................................................................................................147Document Version 2015-01 Administrator Guide 9Table of Contents