Linksys RTP300 User Guide - Page 3

Table of Contents Configuring NAT Mapping with STUN 40 Determining Whether the Router Uses Symmetric or Asymmetric NAT 41 Firewalls and SIP 42 Configuring SIP Timer Values 43 Chapter 4: Configuring Voice Services 44 Supported Codecs 44 Using a FAX Machine (SPA2102, SPA3102 or SPA8000) 45 Fax Troubleshooting 46 Managing Caller ID Service 47 Silence Suppression and Comfort Noise Generation 48 Configuring Dial Plans 49 About Dial Plans 49 Editing Dial Plans 55 Secure Call Implementation 57 Enabling Secure Calls 57 Secure Call Details 58 Using a Mini-Certificate 58 Generating a Mini Certificate 59 SIP Trunking and Hunt Groups on the SPA8000 61 About SIP Trunking 62 Setting the Trunk Group Call Capacity 64 Inbound Call Routing for a Trunk Group 64 Contact List for a Trunk Group 65 Outgoing Call Routing for a Trunk Group 66 Configuring a Trunk Group 67 Trunk Group Management 68 Setting the Hunt Policy 69 Additional Notes About Trunk Groups 69 Chapter 5: Configuring Music on Hold 70 Using the Internal Music Source for Music On Hold 70 Using the Internal Music Source 70 Changing the Music File for the Internal Music Source 71 Configuring a Streaming Audio Server 71 About the Streaming Audio Server 71 Configuring the Streaming Audio Server 72 Using the IVR with an SAS Line 73 Chapter 6: Configuring the PSTN (FXO) Gateway Connecting to PSTN and VoIP Services How VoIP-To-PSTN Calls Work One-Stage Dialing Two-Stage Dialing How PSTN-To-VoIP Calls Work Terminating Gateway Calls VoIP Outbound Call Routing Configuring VoIP Failover to PSTN Sharing One VoIP Account Between the FXS and PSTN Lines Other Options 74 74 75 75 76 77 77 78 79 80 81 Linksys ATA Administration Guide ii