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Linksys RTP300 User Guide - Page 85

Call Forwarding to PSTN Gateway, Forward-On-No-Answer to the PSTN Gateway

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Configuring the PSTN (FXO) Gateway Call Scenarios Call Forwarding to PSTN Gateway This section describes a number of scenarios that forward calls to the PSTN gateway. It includes the following topics: • "Forward-On-No-Answer to the PSTN Gateway" section on page 85 • "Forward-All to the PSTN gateway" section on page 85 • "Forward to a Particular PSTN Number" section on page 85 • "Forward-On-Busy to PSTN Gateway or Number" section on page 85 Forward-On-No-Answer to the PSTN Gateway In this scenario, Line 1 is configured to Cfwd No Ans Dest to the PSTN Gateway. The scenario is implemented by setting User 1 to forward to gw0 on no answer, with Cfwd No Ans Delay set to six seconds. The caller calls Line 1 and if Line 1 is not picked up after six seconds, the PSTN Line picks up the call and the call reverts to a PSTN-Gateway call, as described above. In this case, HTTP authentication is not allowed because Line 1 does not authenticate inbound INVITE requests. If you need to authenticate the VoIP caller in this case, you must select the PIN authentication method, or else the caller is not authenticated. NOTE: If the PSTN Line is busy at the moment of the forward, it does not answer the VoIP call. The call forward rule is ignored and Line 1 continues to ring. Forward-All to the PSTN gateway In this scenario, Line 1 is configured with Cfwd All Dest parameter to the PSTN gateway.This scenario is the same the previous case, except the FXO picks up the Line 1 call immediately. If the PSTN Line is busy at the moment of the call, the PSTN Line does not pick up the call, the call forward rule is ignored, and Line 1 continues to ring. Forward to a Particular PSTN Number In this scenario, the forward destination is set to @gw0>. This is the same as in the previous examples, except that the Linksys ATA device automatically dials the given target number on the PSTN line right after it answers the VoIP call leg. This is a special case of onestage dialing where the target number is specified in the configuration. The caller is not authenticated in this case regardless of the authentication method. However, the caller is still limited by the VoIP Caller ID Pattern parameter Forward-On-Busy to PSTN Gateway or Number This scenario is similar to the previous cases of call forwarding to gw0, but this applies when Line 1 is active. Linksys ATA Administration Guide 85

Section	Page
Document Audience	8
Supported Firmware	9
Document Conventions	9
Document Purpose and Contents	10
Related Documentation	11
Online Resources	12
Copyright and Trademarks	12
Technical Support	12
Finding Information in PDF Files	13
Finding Text in a PDF	13
Finding Text in Multiple PDF Files	13
Introducing Linksys Analog Telephone Adapters	15
Comparison of ATA Devices	16
Linksys ATA Connectivity Requirements	18
Linksys PAP2T Connectivity	18
Linksys SPA2102 Connectivity	19
Linksys SPA3102 Connectivity	20
Linksys SPA8000 Connectivity	21
ATA Software Features	22
Voice Supported Codecs	22
SIP Proxy Redundancy	23
Other Linksys ATA Software Features	23
Basic Administration and Configuration of Your Linksys ATA Device	28
Basic Services and Equipment Required	28
Downloading Firmware	29
Basic Installation and Configuration	30
Upgrading the Firmware for the Linksys ATA Device	30
Setting up Your Linksys ATA Device	31
Using the Administration Web Server	31
Connecting to the Administration Web Server	32
Setting Up the WAN Configuration for Your Linksys ATA Device	32
Registering to the Service Provider	33
Advanced Configurations	34
Upgrading, Rebooting, and Resyncing Your Linksys ATA Device	34
Upgrade URL	34
Resync URL	35
Reboot URL	35
Provisioning Your Linksys ATA Device	35
Provisioning Capabilities	36
Configuration Profile	36
Configuring Your System for ITSP Interoperability	38
Network Address Translation (NAT) and Voice over IP (VoIP)	38
NAT Mapping with Session Border Controller	38
NAT Mapping with SIP-ALG Router	38
Configuring NAT Mapping with a Static IP Address	39
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
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
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
Configuring the PSTN (FXO) Gateway	74
Connecting to PSTN and VoIP Services	74
How VoIP-To-PSTN Calls Work	75
One-Stage Dialing	75
Two-Stage Dialing	76
How PSTN-To-VoIP Calls Work	77
Terminating Gateway Calls	77
VoIP Outbound Call Routing	78
Configuring VoIP Failover to PSTN	79
Sharing One VoIP Account Between the FXS and PSTN Lines	80
Other Options	81
PSTN Call to Ring Line 1	81
Symmetric RTP	81
Call Progress Tones	81
Call Scenarios	82
PSTN to VoIP Call with and Without Ring-Thru	82
VoIP to PSTN Call With and Without Authentication	83
Call Forwarding to PSTN Gateway	85
Linksys ATA Routing Field Reference	86
Status page	86
Product Information section	86
System Status section	87
WAN Setup page	87
Internet Connection Settings section	88
Static IP Settings section	88
PPPoE Settings section	88
Optional Settings section	89
MAC Clone Settings section	89
Remote Management section	90
QOS Settings section	90
VLAN Settings section	90
LAN Setup page	90
Networking Service section	91
LAN Networking Settings section	91
Static DHCP Lease Settings section	91
Application page	92
Port Forwarding Settings section	92
DMZ Settings section	92
Miscellaneous Settings section	93
System Reserved Ports Range section	93
Linksys ATA Voice Field Reference	94
Info page	94
Product Information section	95
System Status section	95
Line Status section	95
System Information section (PAP2T)	97
PSTN Line Status section (AG310 and SPA3102)	97
Trunk Status section (SPA8000)	99
System page	99
System Configuration section	100
Internet Connection Type section (PAP2T)	100
Optional Network Configuration section (PAP2T)	100
Miscellaneous Settings section (not used with PAP2T)	101
SIP page	102
SIP Parameters section	102
SIP Timer Values (sec) section	103
Response Status Code Handling section	105
RTP Parameters section	105
SDP Payload Types section	106
NAT Support Parameters section	107
Trunking Parameters section (SPA8000)	109
Regional page	110
Call Progress Tones section	110
Distinctive Ring Patterns section	112
Distinctive Call Waiting Tone Patterns section	113
Distinctive Ring/CWT Pattern Names section	113
Ring and Call Waiting Tone Spec section	114
Control Timer Values (sec) section	114
Vertical Service Activation Codes section	116
Vertical Service Announcement Codes section (SPA2102, SPA8000)	119
Outbound Call Codec Selection Codes section	120
Miscellaneous section	121
Line page	123
Line Enable section	124
Streaming Audio Server (SAS) section	124
NAT Settings section	125
Network Settings section	125
SIP Settings section	126
Call Feature Settings section	128
Proxy and Registration section	128
Subscriber Information section	130
Supplementary Service Subscription section	130
Audio Configuration section	132
Gateway Accounts section (SPA3102/AG310)	132
VoIP Fallback to PSTN section (SPA3102/AG310)	133
Dial Plan section	133
FXS Port Polarity Configuration section	135
Trunk Group page (SPA8000)	135
Line Enable section	135
Network Settings section	136
SIP Settings section	136
Subscriber Information section	138
Dial Plan section	139
NAT Settings section	139
Proxy and Registration section	140
PSTN Line page (AG310 and SPA3102)	141
Line Enable section	142
NAT Settings section	142
Network Settings section	142
SIP Settings section	143
Proxy and Registration section	145
Subscriber Information section	146
Audio Configuration section	146
Dial Plans section	149
VoIP-To-PSTN Gateway Setup section	149
VoIP Users and Passwords (HTTP Authentication) section	150
Ring Settings section	151
FXO (PSTN) Timer Values (sec) section	151
PSTN Disconnect Detection section	153
International Control (Settings) section	155
User page	156
Call Forward Settings section	157
Selective Call Forward Settings section	157
Speed Dial Settings section	158
Supplementary Service Settings section	158
Distinctive Ring Settings section	159
Ring Settings section	159
PSTN User page (AG310 and SPA3102)	160
PSTN-To-VoIP Selective Call Forward Settings section	160
PSTN-To-VoIP Speed Dial Settings section	161
PSTN Ring Thru Line 1 Distinctive Ring Settings section	161
PSTN Ring Thru Line 1 Ring Settings section	161
Provisioning Reference (WRP400)	162
Troubleshooting	171
Environmental Specifications	174
PAP2T	174
SPA2102	174
SPA3102	175
SPA8000	175
RTP300	176
WRP400	176
WRTP54G	177
AG310	177
Warranty Information	178
Limited Warranty	178
Exclusions and Limitations	178
Obtaining Warranty Service	179
Technical Support	179
Regulatory Information	180
Federal Communications Commission Interference Statement	180
Industry Canada Statement	180
Règlement d’Industry Canada	180
EC Declaration of Conformity (Europe)	181
User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic Equipment (WEEE)	181
Safety Information	188
Meaning of the Warning Symbol	188
General Safety Information	188
Power Safety Information	189
Software License Agreement	190
Software in Linksys Products:	190
Software Licenses:	190
Schedule 1 Linksys Software License Agreement	190
Schedule 2	192
Schedule 3	197

Match case Limit results 1 per page

Linksys ATA Administration Guide

Call Scenarios

Configuring the PSTN (FXO) Gateway

Call Forwarding to PSTN Gateway

This section describes a number of scenarios that forward calls to the PSTN gateway. It includes

the following topics:

•

”Forward-On-No-Answer to the PSTN Gateway” section on page 85

•

”Forward-All to the PSTN gateway” section on page 85

•

”Forward to a Particular PSTN Number” section on page 85

•

”Forward-On-Busy to PSTN Gateway or Number” section on page 85

Forward-On-No-Answer to the PSTN Gateway

In this scenario, Line 1 is configured to

Cfwd No Ans Dest

to the PSTN Gateway. The scenario is

implemented by setting User 1 to forward to gw0 on no answer, with

Cfwd No Ans Delay

set to

six seconds.

The caller calls Line 1 and if Line 1 is not picked up after six seconds, the PSTN Line picks up the

call and the call reverts to a PSTN-Gateway call, as described above. In this case, HTTP

authentication is not allowed because Line 1 does not authenticate inbound INVITE requests. If

you need to authenticate the VoIP caller in this case, you must select the PIN authentication

method, or else the caller is

not

authenticated.

NOTE:

If the PSTN Line is busy at the moment of the forward, it does not answer the VoIP call.

The call forward rule is ignored and Line 1 continues to ring.

Forward-All to the PSTN gateway

In this scenario, Line 1 is configured with

Cfwd All Dest

parameter to the PSTN gateway.This

scenario is the same the previous case, except the FXO picks up the Line 1 call immediately.

If the PSTN Line is busy at the moment of the call, the PSTN Line does not pick up the call, the

call forward rule is ignored, and Line 1 continues to ring.

Forward to a Particular PSTN Number

In this scenario, the forward destination is set to <

target-number>@gw0

>. This is the same as in

the previous examples, except that the Linksys ATA device automatically dials the given target

number on the PSTN line right after it answers the VoIP call leg. This is a special case of one-

stage dialing where the target number is specified in the configuration. The caller is not

authenticated in this case regardless of the authentication method. However, the caller is still

limited by the

VoIP Caller ID Pattern

parameter

Forward-On-Busy to PSTN Gateway or Number

This scenario is similar to the previous cases of call forwarding to gw0, but this applies when

Line 1 is active.