Panasonic KX-HTS Series Setup Reference Manual page 11

 SIP Trunk Property continued – SIP Carrier-1
[Voice]
1. IP Codec Priority 1st:
2. IP Codec Priority 2nd:
3. IP Codec Priority 3rd:
4. Packet Sampling Time:
5. DTMF:
6. Payload Type (DTMF):
[Session]
9. Session Timer Ability:
10. Session Expire Timer:
11. Session Incoming Refresher Request:
Click [Apply]
Click [Apply Now]
 Save the System data
Click [Save & Logout]
Leave G.711A
Leave G.711Mu
Leave None
Leave at 20 (ms)
Leave Outband (RFC2833)
Leave at 101
Leave Enabled (Passive)
Leave at 180
Leave UAC
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