Aastra 9000i Series Administrator's Manual page 261

Ip sip phones

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Aastra Web UI

In the Codec Preference List, select a codec (with its payload type) you want the phones to use.

Valid values are:

Basic (G.711 u-law, G.711 a-law, G.729)

Setting Codec 1 to "All" ignores the packetization interval (ptime). The packetization interval

setting defaults to 30, which is the default for all codecs.

Setting Codec 1 to "All" automatically sets all other codec preference fields 2 through 10 to

Setting Codec 1 to "Basic" and all other codec preferences in 2 through 10 to "None", forces

the phone to use only the basic codecs as in previous releases (G.711 u-law, G.711 a-law, and

G.729). If you select an additional codec to use in the codec preferences 2 through 10 fields, those

codecs are added to the list of Basic codecs for the phone to use.

(Optional) In Codec 2 through Codec 10, select a preference of codecs (with its payload type) to use

on the phone. Valid values are:

Note: You can select up to 9 codecs in addition to the codec you selected in step 6.

In the "Packetization Interval" field, select the time, in milliseconds. Valid values are 5 to 90, in

increments of 5 milliseconds.

41-001343-01 Rev 02, Release 3.2.2

Troubleshooting

6700i series9000i6700i