Copyright IPitomy Communicati on, LLC 43 0007VRF
Codec
This screen is for selecting and configuring the voice codec, voice parameters.
Codec
Prefer Type – Select this preferred voice codec that analog ports (F XO and FXS
ports) used to negotiate with SIP sever for determining the voice co dec. Available
codecs are G.711u, G.711a, and G.729.
G711u_pkt – Select this p acketization tim e for G.711u. T he packetization time is the
duration that the analog port samples voice signal and compresses it into a packet
before sending to the remote SIP device.
G711u_vad – Select this button to enable or disable Voice Activity Detection for
G.711u. This should be disabled for Asterisk application requirements.
G711a_pkt – Select this packetization ti me for G.711a
G711a_vad – Select this button to enable or disable Voice Activity Detection for
G.711a. This should be disabled for Asterisk application requirements.
G729_pkt – Select this packetization ti me for G.729.
G729_vad – Select this button to enable or disable Voic e Activity Detection for
G.729. This should be disabled for Asterisk application requirements .
FXO
This portion is for configuring the FXO dial in/out parameters
Answer_after – Input the number of rings that the FXO port will ke ep waiting before
answering the incoming calls. The default value is 2 rings.