SRV lookup Prefix for UDP .....................................................................................124SRV lookup Prefix for TCP .....................................................................................125SRV lookup Prefix for TLS ......................................................................................125Local SIP Port .........................................................................................................125SIP URI ...................................................................................................................126T1 Timer ..................................................................................................................126T2 Timer ..................................................................................................................126REGISTER Expires Timer ......................................................................................127Enable Session Timer (RFC 4028) .........................................................................127Session Timer Method ............................................................................................127Enable 100rel (RFC 3262) ......................................................................................127Enable SSAF (SIP Source Address Filter) .............................................................128Enable c=0.0.0.0 Hold (RFC 2543) .........................................................................128Transport Protocol ..................................................................................................128TLS Mode ...............................................................................................................1284.5.3 VoIP Settings ................................................................................................................1294.5.3.1 RTP ...........................................................................................................................129RTP Packet Time ....................................................................................................129Minimum RTP Port Number ....................................................................................129Maximum RTP Port Number ...................................................................................130Telephone-event Payload Type ..............................................................................1304.5.3.2 Voice Quality Report ..................................................................................................130Server Address .......................................................................................................130Port .........................................................................................................................130Enable PUBLISH ....................................................................................................130Alert Report Trigger ................................................................................................131Threshold MOS-LQ (Critical) ..................................................................................131Threshold MOS-LQ (Warning) ................................................................................131Threshold Delay (Critical) .......................................................................................131Threshold Delay (Warning) .....................................................................................1324.5.4 VoIP Settings [Line 1]–[Line 6] .....................................................................................1324.5.4.1 Basic ..........................................................................................................................132G.722 (Enable) ........................................................................................................132G.722 (Priority) ........................................................................................................132PCMA (Enable) .......................................................................................................133PCMA (Priority) .......................................................................................................133G.729A (Enable) .....................................................................................................133G.729A (Priority) .....................................................................................................133PCMU (Enable) .......................................................................................................133PCMU (Priority) .......................................................................................................134DTMF Type .............................................................................................................1344.5.4.2 Advanced ...................................................................................................................134RTP Packet QoS (DSCP) .......................................................................................134RTCP Packet QoS (DSCP) .....................................................................................134Enable RTCP ..........................................................................................................135Enable RTCP-XR ....................................................................................................135RTCP&RTCP-XR Interval .......................................................................................135SRTP Mode ............................................................................................................135Enable Mixed SRTP & RTP by Conference ...........................................................136Enable Mixed SRTP & RTP by Transfer .................................................................1364.6 Telephone ......................................................................................................................1364.6.1 Call Control ...................................................................................................................1374.6.1.1 Call Control ................................................................................................................137Send SUBSCRIBE to Voice Mail Server ................................................................137Conference Server URI ...........................................................................................1388 Administrator Guide Document Version 2015-07Table of Contents