Version 5.8 533 October 2009
SIP User's Manual 9. IP Telephony Capabilities
These settings enable the routing (from both devices) of outgoing Tel-to-IP calls that
start with 10 to the first device and calls that start with 20 to the second device.
Figure 9-42: Routing Calls Between Devices
4. Make a call. Pick up the phone connected to port #1 of the first device and dial 102 (to
the phone connected to port #2 of the same device). Listen for progress tones at the
calling phone and for the ringing tone at the called phone. Answer the called phone,
speak into the calling phone, and check the voice quality. Dial 201 from the phone
connected to port #1 of the first device; the phone connected to port #1 of the second
device rings. Answer the call and check the voice quality.