XONTEL Plus PBX, User Manual

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3.6 Switching Between Two Calls
When the SIP extension of XonTel Plus is the caller:
Step1. A dials the number of B and B picks up the phone, and then A and B go into conversation;
Step2. A presses the flash hook, and then dial the number of C after hearing the dialing tone.
Step3. C pick up the phone, and A and C go into conversation and meanwhile the call between A and B is kept
holding.
Step4. If A presses the flash hook again, and the call will be switched back to A and B. If A presses the flash hook once
more, the call will be switched to A and C.
When the SIP extension of XonTel Plus is the callee:
Step1. B places a call to A, and A picks up the phone after the phone rings. And then C also gives a call to A (at the
same time, A can hear a waiting tone).
Step2. If A presses the flash hook, A and C go into conversation and meanwhile the call between A and B is kept
holding.
After that, if A presses the flash hook again, and the call will be switched back to A and B. If A presses the flash hook
once more, the call will be switched to A and C.
3.7 Send or Receive Fax
3.7.1
Fax Mode Supported

T.38
（
IP-based
）
 T.30
（
Pass-Through
）