Technicolor TB30 User Manual

TB30s SIP Administrator Guide v1.3 Page 128 of 259
Call-hold “inactive” method
To enhance the compatibility with different softswitches, a new call-hold
method is introduced in this section.
Current implementation
Currently, TB30 implements “send-only” method for holding a call, carried
in SDP session.
Content-Type: application/sdp
Content-Length: 221
v=0
o=2215 1325412 1325413 IN IP4 192.168.1.102
s=-
c=IN IP4 192.168.1.102
t=0 0
m=audio 41000 RTP/AVP 18 96
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendonly
Now, an alternative new call-hold method “inactive” has implemented in
TB30 to enhance the compatibility working on different softswitches.
Content-Type: application/sdp
Content-Length: 221
v=0
o=2215 1807412 1807413 IN IP4 192.168.1.102
s=-
c=IN IP4 192.168.1.102
t=0 0
m=audio 41000 RTP/AVP 18 96
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=inactive

Technicolor TB30 Specifications

General

Brand	Technicolor
Model	TB30
Category	IP Phone
Language	English