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Can't send fax using ATA187 over trunk and intervlan

Hi all,

I'm trying to test FAX usung ATA 187 on a CME9.0.

The design of the network is a collapsed core/distribution.

i.e there is a switch layer 3 , C3750E, that manage all routings (It is a core and also a distributions).

And the access switches,C2960, are connected to this core using trunk.

Each access switch have its own VLAN voice.and the The DHCP server is the core/switch.

Behaviour :

The fax is working well if they're in the same switch, i.e same vlan voice

But in different switch, the fax can't be send event. (different voice vlan)

Also, if I'm using an old telephone on its port(port of the ATA187), then the call pass.

I need help or solution from you if any one already have this problem

Regards,

Antra

1 REPLY
Cisco Employee

Can't send fax using ATA187 over trunk and intervlan

Phone call would go through but FAX communication needs some extra config on L3 device. Checkout following documents to find out necessary config needed on L3 device ( in your case L3 device is a switch )

http://www.cisco.com/en/US/products/hw/gatecont/ps514/products_configuration_example09186a00800d698e.shtml

http://www.cisco.com/en/US/docs/voice_ip_comm/cata/186_188/2_15_ms/english/administration/guide/sccp/sccpaapd.html

Lemme know how it goes.


GP.

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