Aastra Telecom 41-001343-02 manual Global SIP Settings

Global SIP Settings

Aastra Web UI

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

•All

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

•G722

•G711u/8K

•G711u/16K

•G711a/8K

•G711a/16K

•G729

•G726-16

•G726-24

•G726-32

•G726-40

•BV16 (8K)

•BV32 (16K)

•L16 (8K)

•L16 (16K)

•AMR (Licensed feature for 6735i, 6737i, 6863i, 6865i, and 6867i only)

•AMR-WB (G.722.2) (Licensed feature for 6735i, 6737i, 6863i, 6865i, and 6867i only)

Notes:

•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 “None”.

•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.

7.(Optional) In Codec 2 through Codec 10, select a preference of codecs (with its payload type) to use on the phone. Valid values are:

•None

•G722

•G711u/8K

•G711u/16K

•G711a/8K

•G711a/16K

•G729

•G726-16

•G726-24

•G726-32

•G726-40

•BV16 (8K)

•BV32 (16K)

•L16 (8K)

•L16 (16K)

•AMR (Licensed feature for 6735i, 6737i, 6863i, 6865i, and 6867i only)

•AMR-WB (G.722.2) (Licensed feature for 6735i, 6737i, 6863i, 6865i, and 6867i only)

Note:

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

8.In the “Packetization Interval” field, select the time, in milliseconds. Valid values are 5 to 90, in increments of 5 milliseconds.

9.The “Silence Suppression” field is enabled by default. Disable this field by unchecking the check box.

When enabled, the phone negotiates whether or not to use silence suppression. Disabling this feature forces the phone to ignore any nego- tiated value.

10.Click Save Settings to save your changes.

41-001343-02 REV04 – 05.2014 4-83