Reg:help on E&m config

Answered Question
Sep 2nd, 2008
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Dear experts,


My setup is like this


router with E&M (2800)----ip cloud----router with fxs--analog phone.

now i want to dial a call through e/m it should land on fxs

and from fxs to call land on pbx(e/m)


so plz help me how can i configure the routers.


Any body can help i am very thankfull to him,and also iam attaching the diag also.


Tha ks&Regards

srini





Correct Answer by Marwan ALshawi about 8 years 7 months ago

2600 router with FXS:


dial-peer voice 1 pots

destination pattren 101

port 1/0/0


dial-peer voice 2 pots

destination pattren 102

port 1/0/1


dial-peer voice 3 voip

destination-pattren 2..

session-target ipv4:192.168.1.1


2800 router connected to pbx:


Configuring an E&M analog trunk is straightforward. Three key options have to be set:

􀂄 The signaling E&M signaling type

􀂄 Two- or four-wire operation

􀂄 The E&M type

Both sides of the trunk need to have a matching configuration. This example configuration

shows an E&M trunk using wink-start signaling, E&M type 5, and four-wire operation.

Because E&M supports inbound and outbound DNIS, DID is also configured on the

corresponding dial peer:


voice-port 0/2/0

signal wink-start ! default

operation 4-wire

type 5



voice-port 0/2/1

signal wink-start

operation 4-wire

type 5



so make sure u have the config in the router similer to the pbx E&M .. OK


then make the following dialpeers


dial-peer voice 9 voip

destination-pattren 1..

session target ipv4:192.168.1.2


dial-peer voice 10 pots

destination-pattern 2..

direct-inward-dial

port 0/2/0

forward-digits all



dial-peer voice 11 pots

destination-pattern 2..

preference 2

direct-inward-dial

port 0/2/1

forward-digits all


prefrence word mean if port 0/2/0 no available the dial-peer 11 over port 0/2/1 will takover



Specify how many wires are used for voice transmission using the operation {2-wire | 4-wire} command. Note that this defines the wires used for the audio path only, not for signaling. The default is two-wire operation.


Specify the E&M interface type to which this port is connected using the type {1 | 2 | 3 | 5} command. On the VIC-2E/M or VIC2-2E/M interface module, you must set both ports to the same interface type



If the port configuration is correct and you are still having problems placing or receiving calls on the trunk, the first place to look is at the wiring between the PBX and the voice gateway. As mentioned, the most common problem encountered with E&M trunk is incorrect wiring


good luck


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Correct Answer
Marwan ALshawi Tue, 09/02/2008 - 03:51
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2600 router with FXS:


dial-peer voice 1 pots

destination pattren 101

port 1/0/0


dial-peer voice 2 pots

destination pattren 102

port 1/0/1


dial-peer voice 3 voip

destination-pattren 2..

session-target ipv4:192.168.1.1


2800 router connected to pbx:


Configuring an E&M analog trunk is straightforward. Three key options have to be set:

􀂄 The signaling E&M signaling type

􀂄 Two- or four-wire operation

􀂄 The E&M type

Both sides of the trunk need to have a matching configuration. This example configuration

shows an E&M trunk using wink-start signaling, E&M type 5, and four-wire operation.

Because E&M supports inbound and outbound DNIS, DID is also configured on the

corresponding dial peer:


voice-port 0/2/0

signal wink-start ! default

operation 4-wire

type 5



voice-port 0/2/1

signal wink-start

operation 4-wire

type 5



so make sure u have the config in the router similer to the pbx E&M .. OK


then make the following dialpeers


dial-peer voice 9 voip

destination-pattren 1..

session target ipv4:192.168.1.2


dial-peer voice 10 pots

destination-pattern 2..

direct-inward-dial

port 0/2/0

forward-digits all



dial-peer voice 11 pots

destination-pattern 2..

preference 2

direct-inward-dial

port 0/2/1

forward-digits all


prefrence word mean if port 0/2/0 no available the dial-peer 11 over port 0/2/1 will takover



Specify how many wires are used for voice transmission using the operation {2-wire | 4-wire} command. Note that this defines the wires used for the audio path only, not for signaling. The default is two-wire operation.


Specify the E&M interface type to which this port is connected using the type {1 | 2 | 3 | 5} command. On the VIC-2E/M or VIC2-2E/M interface module, you must set both ports to the same interface type



If the port configuration is correct and you are still having problems placing or receiving calls on the trunk, the first place to look is at the wiring between the PBX and the voice gateway. As mentioned, the most common problem encountered with E&M trunk is incorrect wiring


good luck


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