Aastra Telecom 675xi Series User Interface Feature, Parameter Aastra Web UI, Payload, Silsupp

IP Phone Release Notes 2.4.1

New Features in Release 2.4.1

User Interface Feature

Support for Additional Codec Types and Codec Priority Selection

Release 2.4.1 includes support for additional code types. Previously, using the Aastra Web UI or the configuration files, an Administrator could enable or disable basic codecs for the phones (G.711 u-law, G.711 a-law, and G.729), customize a codec preference list, and enable or disable silence suppression.

Now using the Aastra Web UI or the configuration files, an Administrator can select from up to 14 codecs for the phones AND customize a codec preference list of up to 10 codecs. Silence suppression can still be enable or disabled as required.

Configuring Customized Codecs Using the Configuration Files

Using the configuration files, you can enter the following parameters to configure the codecs for the phones and customize a codec preference list.

•sip customized codec (this parameter has not changed but now supports up to 14 codecs)

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->RTP Settings
sip customized codec	Configuration Files	aastra.cfg, <mac>.cfg
Codec Preference List
(in Web UI)
Description	Specifies a customized Codec preference list which allows you to
	select the preferred Codecs for this IP phone. You can enter up to 10
	codec preferences.
	Note: Enabling or disabling silence suppression (sil supp) enables/
	disables it for all codecs in the customized list.
Format	Comma-separated list of semicolon-separated values
Default Value	Not Applicable
Range	Valid values for the syntax are:		- G711u/8000
	payload	0
		8	- G711a/8000
		98 - G726-16/8000
		97 - G726-24/8000
		115 - G726-32/8000
		96 - G726-40/8000
		18 - G729/8000
		106 - BV16/8000
		107 - BV32/16000
		110 - G711u/16000
		111 - G711a/16000
		9	- G722/8000
		113 - L16/16000
	ptime (in milliseconds)	112 - L16/8000
		5, 10, 15, 20........90
	silsupp	on, off
	Note: The “silsupp” value is either ON for all codecs or OFF for all
	codecs.
Example	sip customized codec:
	payload=18;ptime=10;silsupp=on,payload=0;ptime=10;
	silsupp=on

6 RN-001029-03, Release 2.4.1, Rev 01