Typical Fax Scenario Connection

Inbound Fax

1) Voice Pass-through:

  • FXO/SIP/E1 ------ SIP G711 -----> PBX/TA ------ FXS ------> Fax Machine
  • FXO/SIP/E1 ------ SIP G711-----> PBX ------ SIP G711 ------ >TA ------ FXS ------> Fax Machine

2) T.38 Pass-through

  • SIP ---T.38-- >PBX ------ SIP ---T.38--->TA ------ FXS ------> Fax Machine

3) T.38 Relay

  • SIP ---T.38 ---> PBX/TA ------ FXS ------> Fax Machine

4) Fax Termination:

  • FXO/SIP/E1 -----Voice/T3.8----- >PBX ------>Fax to Email

 

Outbound Fax

1) Voice Pass-through:

  • FXO/SIP/E1 <----- SIP G711 ------ PBX/TA <------ FXS ------ Fax Machine
  • FXO/SIP/E1 <----- SIP G711 ------ PBX <------ SIP G711 ------ TA ------ FXS <------ Fax Machine

2) T.38 Pass-through

  • SIP<---T.38 --PBX ------ SIP <---T38--- TA ------ FXS <------ Fax Machine

3) T.38 Relay

  • SIP <---T.38 --- PBX/TA <------ FXS ------ Fax Machine
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