ELTEX ESR-3100 - 19.9 Example of VoIP configuration for FXS ports registration on external SIP server

ESR series service routers.ESR-Series. User manual
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This completes the baseline configuration of outgoing calls to PSTN. To make a call to PSTN, dial the callee
number with the specified prefix (FXO set phone number).
To receive calls from PSTN, you should select the subscriber that will receive all calls from PSTN, let it be a
subscriber with number 305.
Enable the 'Hostline PSTN to IP' service:
esr(config-voice-port-fxo)# hotline ipt
Number of the subscriber that will receive calls from PSTN:
esr(config-voice-port-fxo)# hotline number ipt 305
19.9 Example of VoIP configuration for FXS ports registration on external SIPserver
Diagram:
Objective:
Configure VoIPfor FXS ports registration on external SIP server.
Solution:
Configure SIP profile. It is necessary to configure proxy-server for registration of the phones connected to FXS
ports:
esr(config)# sip profile 1
esr(config-sip-profile)# enable
esr(config-sip-profile)# sip-domain address 198.51.100.1
esr(config-sip-profile)# proxy primary
esr(config-voip-sip-proxy)# enable
esr(config-voip-sip-proxy)# ip address proxy-server 198.51.100.1
esr(config-voip-sip-proxy)# registration
esr(config-voip-sip-proxy)# ip address registration-server 198.51.100.1
esr(config-voip-sip-proxy)# exit
esr(config-sip-profile)# exit
esr(config)#