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Planet Technology VIP-110 User Manual

Page 44

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Call Progress Tone Configuration Commands

32

set coding profile_id dtmf_relay

The ITG supports DTMF relay, in which DTMF tones are detected during voice processing,
encoded into H323-UserInformation packets and conveyed to the remote ITG via the H.323
call control band. This command is used to enable or disable the DTMF relay feature.

set coding profile_id dtmf_relay {on | off}

Syntax description

profile_id

Profile ID or name, as shown in Table 5-1, of the coder to be
modified.

on

Enable DTMF relay.

off

Disable DTMF relay. DTMF tones are compressed and send to
remote gateway the same as regular voice frame.

Factory default

Profile

g723

g729

g723_53

g711

Setting

on

on

on

on

set coding profile_id sampling_time

Voice coders sample voice signals periodically then compress sampled signal into frame for
delivery to the remote party. Each coder supported by the ITG has a standard sampling time.
Sampling introduces delay to the voice packet. This command is used to modify the sampling

time for a coder. Increasing the sampling time introduces more delay but consumes less

bandwidth for the delivery of the voice packet, since relatively less overhead is needed to
delivery the packet.

set coding profile_id sampling_time milliseconds

Syntax description

profile_id

Profile ID or name, as shown in Table 5-1, of the coder to be

modified.

milliseconds

Sampling time for a voice coder. The appropriate sampling times

of a coder of values other than those shown in the table are not
valid.

Coder

Sampling
time

g711

10 ms

20 ms

30 ms

g723
g723_53

30 ms

60 ms

g729

10 ms

20 ms

30 ms

40 ms

50 ms

60 ms

Factory default

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