Mtc Number(S); Call Reverse Number; Voice Mail Number - Aastra AMC 3 User Manual

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12.1.3 MTC Number(s)

MTC stands for Mobile Terminated Call. The MTC Number will be associated as Caller

ID for your corporate system (AMCC). You could say that this is the identiﬁcation the

AMCC uses towards the AMC. If the MTC Number is set, all Enterprise calls must

come with this Caller ID otherwise they will not be handled by the AMC. In order to

make sure that the number is positively matched, you have to enter your PBX number

in international format.

Use Case

The MTC Number or preﬁx identiﬁes a call as an Enterprise (AMC) Call. All AMC

Solution features become available for identiﬁed Enterprise Calls.

The Call Reverse Number is only mandatory if the feature is to be used. It has to be

a number, again in international format, that has been conﬁgured for the Call Reverse

purpose on the AMCC.

This can be enabled and disabled globally; refer to 12.7.9.

How it works

The calling party will basically be put on hold by the AMCC; as a consequence a Call

Reverse from the calling party's perspective is no different from a normal call. The

AMCC will even play back a ring-back tone.

Only inbound calls coming from the AMCC are affected by this! Regular

inbound calls to your SIM card remain untouched.

Advantages of Call Reverse

Call Reverse turns inbound calls into outbound calls and thus reduces cost, especially

in Europe and other countries with high termination charges. Through these charges

calls from ﬁxed line to mobile are expensive whereas calls from mobile to ﬁxed line are

typically cheap.

If your Voice Mail is conﬁgured here, you have the possibility to access your corporate

voice mail messages via the AMC.

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12 Administrator Settings

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