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Tables 1 and Table 2 provide two transcoding examples of G.11 to G.729A. In each example, the media stream characteristics in both Carrier 1 and Carrier 2 as well as the Packet Service Profiles (PSPs) and associated Codec Entries that need to be provisioned are specified.

  • For Carrier 1, the PSPs are provisioned on the Gateway Group GWG1.
  • For Carrier 2, the PSPs are provisioned on the IP trunk Group IPTG1 on the ERE.

Transcode G.711 to G.729A PSPs

 

Configuration

Value
Carrier 1 Media (G.711)
Gateway Group GWG1 PSP
Carrier 2 Media (G.729A)
IPTG1 PSP

PSP

PSP-Carrier1

PSP-to-Peer

Silence Factor

40

40

Voice Initial Playout Buffer

10

10

TOS

0

184

Data Initial Playout Buffer

50

50

Codec Entry 1

G711-DEFAULT

G729A-DEFAULT

Codec Entry 2

<none>

<none>

Codec Entry 3

<none>

<none>

Codec Entry 4

<none>

<none>

AAL Payload Size

47

47

T.38 No. Redundant Packets

1

1

T.38 Low Speed No. Redundant Packets

1

1

T.38 Max Bit Rate

14.4

14.4

Data Rate Mgt Type

Type 2

Type 2

Honor Remote Precedence

Disabled

Disabled

P2P Transcode

Conditional

Conditional

Codecs Allowed This Leg

G.711A, G.711U

(none selected)

Codecs Allowed Other Leg

(none selected)

(G.729)

RTCP

Not selected

Not selected

Silence Insertion Descriptor

Take defaults

Take defaults

Digit Detect Send Enabled

Not selected

Not selected

Transcode G.711 to G.729A Codec Entries

 

Configuration

Value
G711-DEFAULT
Codec Entry
G729A-DEFAULT
Codec Entry

Audio Encoding

G.711

G.729A

Fax Tone Treatment

<none>

<none>

Packet Size

10 ms

10 ms

Fax Treatment Failure Handling

Continue

Continue

G.711 Law from other leg

Yes

No

Modem Tone Treatment

None

None

Modem Treatment Failure Handling

Continue

Continue

DTMF Relay

None

None

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