Only with a SIM card present, Audio Quality

Supported:

Originate and Terminate Calls

Caller ID

Call Waiting

Call Hold

Call Mute

 Call Forwarding

*only with a SIM card present

oThe number the call is forwarded to must be in a format [E.164] that can be validated on the GSM network.

	Configuring Caller ID	*only with a SIM card present
	Configuring Call Waiting	*only with a SIM card present
	Call Barring	*only with a SIM card present

Blind Transfer

In-Band and out-of-band DTMF

oOut-of-band DTMF is requested by default. If the other end-point declines, in-band DTMF is used.

Emergency Calling (over GSM only)

Interoperability testing with SIP-enabled IP PBX systems is being done to confirm feature functionality with each vendor’s SIP implementation. Refer to subsequent sections of this document for test results.

Not Supported:

Conferencing a second line

Consultative Transfer

Call Park/Pick-up

‘Do Not Disturb’

Emergency Calling over IP

A full list of the RFCs supported and not supported is included in Appendix A of this document.

4 Audio Quality

This category is related to the components that need to be in the device to handle audio quality.

Supported:

Automatic Gain Control