Sipura Technology SPA-2000 manual Audio Settings Parameter Name Description Default

Call Return Serv	Enable Call Return Service	Yes
Call Back Serv	Enable Call Back Service	Yes
Three Way Call Serv1	Enable Three Way Calling Service	Yes
Three Way Conf	Enable Three Way Conference Service	Yes
Serv1,2
Attn Transfer Serv1,2	Enable Attended Call Transfer Service	Yes
Unattn Transfer Serv	Enable Unattended (Blind) Call Transfer	Yes
	Service
MWI Serv3	Enable MWI Service	Yes
VMWI Serv	Enable VMWI Service (FSK)	Yes
Block Last Serv	Enable Block Last Call Service	Yes
Accept Last Serv	Enable Accept Last Call Service	Yes
Cfwd Last Serv	Enable Forward Last Call Service	Yes
Speed Dial Serv	Enable Speed Dial Service	Yes
Notes:

1.Three Way Calling is required for Three Way Conference and Attended Transfer.

2.Three Way Conference is required for Attended Transfer.

3.MWI is available only if a Voice Mail Service is set-up in the deployment.

3.4.5.3.Audio Settings

Parameter Name	Description		Default
Preferred Codec	Select a preferred codec for all calls. However, the		G711u
	actual codec used in a call still depends on the
	outcome of the codec negotiation protocol.
Use Pref Codec Only	Only use the preferred codec for all calls. The call will		No
	fail if the far end does not support this codec.
LBR Codec Enable	Enable of the use of Low Bit Rate Codec, such as		Yes
	G726 and G729. If set to “no”, only G711u or G711a
	codec will be used in all calls on this line
Silence Supp Enable	Enable silence suppression so that silent audio		No
	frames are not transmitted
Echo Canc Enable	Enable the use of echo canceller		Yes
Echo Canc Adapt	Enable echo canceller to adapt		Yes
Enable
Echo Supp Enable	Enable the use of echo suppressor. If <Echo Canc		Yes
	Enable> is “no”, this parameter is ignored
FAX Detect Enable	Enable detection of FAX tone. Ignored if <FAX		Yes
	Passthru Enable> is “no”
FAX Passthru Enable	Enable FAX pass-through support		Yes
DTMF Tx Method	Method to transmit DTMF signals to the far end:		Auto
	Inband = Send DTMF using the audio path; INFO =
	Use the SIP INFO method, AVT = Send DTMF as
	AVT events; Auto = Use In-band or AVT (RFC 2833)
	based on outcome of codec negotiation
FAX Passthru Codec	Codec to use for fax pass-through		G711u
FAX Codec	Force unit to use symmetric codec during FAX pass-		yes
Symmetric	through
Notes:
© 2003 Sipura Technology, Inc		Proprietary (See Copyright Notice on Page 2)		25