Pbx Settings/Payload; Table 85: Internal Options/Payload - Grandstream Networks UCM6202 User Manual

STUN Server

PBX Settings/Payload

The UCM6200 payload type for audio codecs and video codes can be configured here.
AAL2-G.726
DTMF
G.721 Compatible
G.726
iLBC
H.264
H.263P
VP8
Configure STUN server address. STUN protocol is a Client/Server and also a
Request/Response protocol. It's used to check the connectivity between the
two terminals, such as maintaining a NAT binding entries keep-alive agreement.
The default STUN Server is stun.ipvideotalk.com.
Valid format:
[(hostname | IP-address) [':' port]
The default port number is 3478 if not specified.

Table 85: Internal Options/Payload

Configure payload type for ADPCM (G.726, 32kbps, AAL2 codeword packing).
The default setting is 112.
Configured payload type for DTMF. The default setting is 101.
Configure to enable/disable G.721 compatible. The default setting is Yes.
Configure the payload type for G.726 if "G.721 Compatible" is disabled. The
default setting is 111.
Configure the payload type for iLBC. The default setting is 97.
Configure the payload type for H.264. The default setting is 99.
Configure the payload type for H.263+. The default setting is 100 103.
Configure the payload type for VP8. The default settings is 108.
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