Directly IP calls

Direct IP calling allows two analog phones to talk to each other without SIP server.

• Please make sure both ATA which analog phone connected could ping each other from WAN port.
• Enable Outgoing Call without Registration in FXS–SIP Account page.
• Disable Only Recv Request from Server in FXS–SIP Account—SIP Advanced Setup part.
• Caller pick up the analog phone or turn on the speakerphone on the analog phone, input the callee’s IP address directly, with the end “#”.
• Callee will start ringing, pick up to answer the call.