Multi-Tech Systems MVP210-SS User Manual download pdf (Page 238)

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T1 Phonebook Configuration MultiVOIP User Guide

238

Site D calling Site C

Dial 9,15077175662.

“9” gets outside line. On some PBXs, an “8” may be used to

direct calls to the VOIP, while “9” directs calls to the PSTN.

However, some PBX units can be programmed to identify the

destination patterns of all calls to be directed to the VOIP.

PBX at Site D is programmed to divert all calls made to the 507

area code and exchange 717 into the VOIP network. (It would

also be possible to divert all calls to all phones in area code 507

into the VOIP network, but it may not be desirable to do so.)

The MVP2410 removes the prefix “1507” and adds the prefix

“101#” for compatibility with the analog MultiVOIP’s

phonebook scheme. The “#” is a delimiter separating the

analog VOIP’s phone number from the digits that the analog

VOIP must dial onto its local PSTN to complete the call. The

digits “101#7175662” are forwarded to the Site B analog VOIP.

The call passes through the IP network (in this case, the

Internet).

The call arrives at the Site B VOIP. This analog VOIP receives

this dialing string from the MVP2410: 101#7175662. The analog

VOIP, seeing the “101” prefix, uses its own channel #1 (an FXO

port) to connect the call to the PSTN. Then the analog VOIP

dials its local phone number 7175662 to complete the call.

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