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Linksys SPA921 Cisco SPA9000 Voice System Administration Guide - Page 171

SPA400 SIP-PSTN Gateway, SPA9000

UPC - 745883570799

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Advanced Topics in SPA9000 Administration Technology Background A SPA400 SIP-PSTN Gateway When a local user on the SPA9000 network initiates a call to a PSTN subscriber, the SPA400 acts as the SIP-PSTN gateway, which converts the SIP and RTP media packets into the appropriate signal for transmission to the PSTN switch. For example, if UserA calls UserD, the SIP request is routed by the SIP proxy in the SPA9000 to the SPA400. Figure 3 SPA400 as a SIP-PSTN Gateway UserD UserA UserB PSTN 1 to 4 DID lines SPA400 SIP-PSTN Gateway Switch Internet (WAN) Interface SPA9000 SIP Proxy The SPA400 then converts the SIP and RTP packets it receives from UserA and the signals it receives from the PSTN switch. SPA9000 Voice System Administration Guide 169

Section	Page
About This Document	11
Purpose	11
Audience	11
Firmware	12
Organization	13
Document Conventions	14
Finding Information in PDF Files	15
Finding Text in a PDF	15
Finding Text in Multiple PDF Files	16
Getting Started	18
Introduction to the SPA9000 Voice System	18
SPA9000 IP PBX	19
SPA400 SIP-PSTN Gateway and Voicemail Server	20
IP Phones and Accessories	20
Deployment Scenarios	20
PSTN Access and Local Voice Mail	21
ITSP Service Only	22
ITSP Service, PSTN Access and Local Voice Mail	23
ITSP Service, PSTN and ISDN Access and Local Voice Mail	24
Initial Installation, and Configuration	25
Basic Administration of the SPA9000	26
Upgrading Firmware for the SPA9000	27
Connecting to the SPA9000 Administration Web Server	29
Saving or Discarding Changes SPA9000	29
Access Levels	30
Setting Passwords for User and Administrator Accounts	31
Configuring Basic Settings	31
Setting Up the WAN Connection for the SPA9000	32
Setting the Date and Time	32
Configuring Daylight Saving Time	33
SPA9000 Ethernet Port	35
LAN and Application Guidelines	35
Configuring Multicast Addressing and Group Paging	35
Collecting System Logs and Debug Information	38
Viewing Information about the SPA9000	41
Viewing Information about Client Stations	41
Using the Interactive Voice Response Unit	42
Using the IVR Menu	42
Entering a Password through the IVR	47
Configuring Your System for ITSP Interoperability	49
About the SPA9000 Voice System and SIP	49
Network Address Translation (NAT) and Voice over IP (VoIP)	51
NAT Mapping with Session Border Controller	51
NAT Mapping with SIP-ALG Router	51
Configuring NAT Mapping with a Static IP Address	51
Configuring NAT Mapping with STUN	53
Determining Whether the Router Uses Symmetric or Asymmetric NAT	55
Firewalls and SIP	56
Configuring SIP Timer Values	57
Configuring Phone Lines and Calling Routing Behavior	58
Configuring SPA9000 FXS Ports	59
Configuring Line Interfaces on the SPA9000	60
Configuring a Line Interface for ITSP Service	60
Configuring a Line Interface for a SPA400 (PSTN or Voice Mail)	62
Configuring Call Capacity for a Line Interface	65
Configuring Dial Plans	68
About Dial Plans	68
Editing Dial Plans	76
Managing the Line Selection for Outbound Calls	80
Line Availability	80
Configuring a Call Routing Rule	81
Entering a Call Routing Rule	83
Managing Caller ID Settings for Outgoing Calls	84
Call Forwarding Support on SPA9000	84
Call Transfer Support on SPA9000	86
Call Forward Bridge Mode	86
Call Transfer Bridge Mode	86
Managing Inbound Calls with the Contact List	87
Routing an Inbound Call to the Auto Attendant	87
Routing an Inbound Call to a Receptionist or Client Stations	87
Example Contact List Rules	88
Supporting Multiple DID Numbers Per Line Interface	89
Supporting Direct Inward Dialing to Phone Extensions	90
Entering a Contact List Rule	93
Managing Inbound Calls with Hunt Groups	94
Syntax for Hunt Rules	95
Examples for Hunt Rules	96
Creating a Hunt Rule	98
Managing Inbound Calls with Shared Line Appearances	100
About Shared Line Appearances	100
Administering the SPA400 and Voice Mail Service	104
Connecting to the SPA400 Administration Web Server	105
Configuring the SPA400 Network Connection	106
Saving or Discarding Changes on the SPA400	107
Managing Access to the SPA400 Web-Based Configuration Utility	108
Upgrading the Firmware for the SPA400	109
Configuring a SPA400 to Interoperate with the SPA9000	110
Configuring a SPA400 for PSTN Access	113
Configuring a SPA400 for Voice Mail Service	114
Voice Mail Capacity	114
Configuring Local Voice Mail Service on a SPA400	115
Setting Up Voice Mail on Each Station	118
Enabling Remote Voice Mail Access (Optional)	121
Managing the Voice Mail Messages on the USB Key	123
Enabling Debugging on the SPA400	124
Configuring Music on Hold	127
Using the Internal Music Source for Music On Hold	127
Using the Internal Music Source	127
Changing the Music File for the Internal Music Source	128
Configuring a Streaming Audio Server	129
About the Streaming Audio Server	129
Configuring the Streaming Audio Server	131
Using the IVR with an SAS Line	132
Configuring the Auto Attendant	133
How the Auto Attendant Works	133
Working with the Auto Attendant Greetings	135
Using Pre-Recorded Prompts	135
Recording an Auto Attendant Prompt	136
Downloading Prompts	139
Writing an Auto Attendant Script	140
An Introduction to XML Scripting Grammar in AA Script Examples	140
Elements of XML Scripting Grammar	144
Auto Attendant XML Instructions Set	147
Entering an Auto Attendant Script	149
Configuring the DayTime, NightTime and Weekend/Holiday Auto Attendants	150
Configuring Dial Plans for the Auto Attendant	152
Localization	153
Localizing the SPA9000 Auto Attendant Prompts	153
Local Time Configuration	156
Configuring the SPA9000 and SPA9xx Call Progress Tones	156
Localizing the SPA400 Voice Mail Prompts	162
Localizing the SPA400 Call Disconnect Tones	163
Localizing the SPA400 Caller ID Method	165
Advanced Topics in SPA9000 Administration	167
Technology Background	167
Session Initiation Protocol	168
SPA9000 Media Proxy	169
Using the SPA9000 with a Firewall or Router	170
SPA400 SIP-PSTN Gateway	171
SPA9000 Architecture	172
SIP-NAT Interoperation	174
Advanced Call Control and Routing	175
Configuring Vertical (Supplementary) Service Codes	175
Managing the Outbound Call Routing Groups	177
Configuring Outbound Call Codec Selection Codes	179
Advanced Topics for SPA400 Voice Mail Service	180
How Voicemail Works	181
Checking Voicemail from an External Number	182
Depositing Voicemail	182
Subscribing to Voicemail Notification	184
Remote Provisioning Features	185
Using Configuration Profiles	185
Client Auto-Configuration	186
Manual Client Configuration	187
Client Registration	190
Using the Upgrade URL	191
Using the Resync URL	192
Using the Reboot URL	192
SPA9000 Field Reference	193
Router Tab	193
Status page	193
Wan Setup page	195
Lan Setup page and Application page	198
Voice tab	199
Info page	199
System page	202
SIP Page	204
Provisioning page	226
Regional page	226
FXS 1/2 page	243
Line 1/2/3/4 page	253
SPA400 Field Reference	263
Setup	263
Basic Setup	264
SPA9000 Interface	264
Voice	266
Voicemail Server	270
Voicemail Users	271
Administration	272
Management	272
Factory Default	272
USB Setting	273
Firmware Upgrade	273
Reboot	273
Status	274
Gateway	274
Event Logs	275
Set Log Level	275
Tone	276
Where to Go From Here	277
Product Resources	277
Related Documentation	278
Glossary	280