PLANET VIP-350PT User Manual
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INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP 192.168.3.51:5060;branch=abc7801
From: 7751
To:
Call-ID: [email protected]
CSeq: 1 INVITE
Contact: "7751"
User-Agent: SIP-Phone/1.1
Content-Length: 171
Content-Type: application/sdp
v=0
o=SIP-Phone 0 0 IN IP4 192.168.3.51
m=audio 5102 RTV/AVP 0 8 18
a=ptime:10
Í
Note
The IP Phone will dynamically adjust its voice packetization on a per call basis if
the “ptime” attribute is specified in the peer’s SDP. For example: if “a=ptime:10” is
specified, the IP Phone will ignore the global voice packetization and adjust to the
negotiated packetization time.