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New Member

hardware requirements for fax

what kind of hardware is it need for relaying fax t.38?

we use as5350xm and our PBX , handling incoming and outgoing calls doesn't have any problem , but we couldn't deploy fax .

 

what kind of special hardware , interface card or chasis does it need in as5350 for supporting fax?

 

I don't know why nobody could answer the fax-related question ???

 

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New Member

Have you tried using the MGCP

Have you tried using the MGCP protocol on the GW itself without any additional hardware?

 

 

http://www.cisco.com/en/US/products/hw/univgate/ps501/products_data_sheet09186a0080091b55.html

MGCP and TGCP

MGCP 1.0 is a protocol for centralized control of VoIP calls by external call-control elements known as media gateway controllers (MGCs) or call agents. MGCP is described in the informational RFC 2705, published by the IETF.

The Cisco AS5350 Universal Gateway includes support for the MGCP network access server (NAS) package. This allows the platform to operate simultaneously as a network access server and a voice gateway to deliver universal port services in an MGCP network. Standards-based T.38 Fax Relay and RFC 2833 DTMF Relay are available with MGCP.

The Cisco AS5350 also supports the PacketCable Trunking Gateway Control Protocol (TGCP) 1.0. PacketCable is an industry-wide initiative to develop interoperability standards for multimedia services over cable facilities using packet technology. CableLabs developed the TGCP protocol, which contains extensions and modifications to MGCP while preserving the basic MGCP architecture and constructs.

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