2440 CHAPTER 140: CALL S ERVICES CONFIGURATION system-view[RouterB] voice-setup[RouterB-voice] subscriber-line 1/0[RouterB-voice-line1/0] call-forwarding on-busy enable forward-number 30003 Configure Router C. system-view[RouterC] voice-setup[RouterC-voice] dial-program[RouterC-voice-dial] entity 3000 pots[RouterC-voice-dial-entity3000] line 1/0[RouterC-voice-dial-entity3000] match-template 3000Call Transfer Network requirementsCall transfer enables Telephone A to transfer Telephone B to Telephone C. Afterthe call transfer is completed, Telephone B and Telephone C are in a conversation.The whole process is as follows:1 Telephone A calls Telephone B and are in a conversation.2 Telephone A performs a hookflash to put the call with Telephone B on hold.3 Telephone A calls Telephone C (3000) after hearing dial tones.4 Telephone A hangs up.5 Telephone B and Telephone C are in a conversation and call transfer is completed.Network diagramFigure 701 Network diagram for call transferConfiguration procedure1 Configure Router A. system-view[RouterA] voice-setup[RouterA-voice] dial-program[RouterA-voice-dial] entity 2000 voip[RouterA-voice-dial-entity2000] address sip ip 10.1.1.2[RouterA-voice-dial-entity2000] match-template 2000[RouterA-voice-dial-entity2000] quit[RouterA-voice-dial] entity 3000 voip[RouterA-voice-dial-entity3000] address sip ip 20.1.1.2[RouterA-voice-dial-entity3000] match-template 30001000Eth1/010.1.1.1 /243000Router A Eth1 /020.1.1 .2/242000Eth1/010.1.1.2 /24Eth1/120.1.1.1/24Router B Router CTelephone BTelephone CTelephone A
