MITEL 6900, 6970, 6800, AND 6700 SIP TERMINALS FOR MIVOICE MX-ONE
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15 EMERGENCY CALLS
Even if the telephone is not registered to the PBX, it is possible to make emergency
calls. The sip proxy ip parameter in the configuration file, defines where the telephone
sends the INVITE with the SOS number. No registrar is required for this.
For more information how to set up the sent A-number, see EMERGENCY CALLS,
SOS CALLS (5/15431-ANF90143) in the CPI library.