R2511-HP MSR Router Series Voice Configuration Guide(V5)

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Configuring VoFR packets to carry a sequence number
The terminating voice gateway determines whether there is any voice packet loss, duplicate voice
packets, or out-of-sequence occurs according to sequence numbers. This helps for voice quality. However,
the use of sequence numbers increases the required network bandwidth. Therefore, determine whether to
use sequence numbers based on actual conditions.
To configure VoFR packets to carry a sequence number:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter voice dial program
view.
dial-program N/A
4. Enter VoFR entity view.
entity entity-number vofr N/A
5. Configure a match template
for the VoFR entity.
match-template match-string
By default, no match template is
configured for the VoFR entity.
6. Configure the VoFR packets
sent by the local voice
gateway to carry a sequence
number.
seq-number
By default, the VoFR packets sent
by the local voice gateway do not
carry any sequence number.
Configuring FRF.11 trunk mode
Configuration prerequisites
Before configuring the FRF.11 trunk mode, complete the following tasks:
• Configure POTS entities.
• Configure VoFR entities.
• Keep the codecs consistent at both sides.
Configuring call mode
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter voice view.
voice-setup N/A
3. Enter voice dial program
view.
dial-program N/A
4. Enter VoFR entity view.
entity entity-number vofr N/A
5. Configure a call mode.
call-mode static
By default, the dynamic mode is
adopted.
6. Configure a channel to the
peer voice gateway.
address vofr-static serial
interface-number dlci-number
cid-number
By default, no channel to the peer
voice gateway is configured.