SIP Registrar IP Address
Description Available Settings Default Setting
Set this parameter to match the IP address of the IP-PBX.
• If this setting is changed, the unit must be restarted
before the new setting becomes effective (see
page 47).
—
0.0.0.0
SIP Registrar Port Number
Description Available Settings Default Setting
Set this parameter to match the SIP port number of the
IP-PBX or SIP registrar server.
• If this setting is changed, the unit must be restarted
before the new setting becomes effective (see
page 47).
1024–50999
5060
Hold Method
Description Available Settings Default Setting
Determines the hold protocol used for the IP line.
• If this setting is changed, the unit must be restarted
before the new setting becomes effective (see
page 47).
RFC2543
RFC3264
RFC3264
VoIP Settings
Preferred CODEC
Description Available Settings Default Setting
Determines the preferred codec for IP calls. G.722
G.711μ-law
G.711A-law
G.729a
G.722
RTP Packet Size
Description Available Settings Default Setting
Determines the size of outgoing RTP packets. 20 ms
30 ms
40 ms
50 ms
60 ms
20 ms
58 Operating Instructions Document Version 2010/02
Programming the Unit
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