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Cisco ATA 191 Administration Guide

Cisco ATA 191
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DescriptionField
Whether to force SIP requests to be sent to the outbound proxy within
a dialog. Ignored if the parameter Use Outbound Proxy is no, or the
Outbound Proxy parameter is empty.
Default setting: yes
Use OB Proxy In Dialog
Enable periodic registration with the Proxy parameter. This parameter
is ignored if Proxy is not specified.
Default setting: yes
Register
Allow making outbound calls without successful (dynamic) registration
by the unit. If No, dial tone will not play unless registration is successful.
Default setting: no
Make Call Without Reg
Expires value in sec in a REGISTER request. The ATA will periodically
renew registration shortly before the current registration expired. This
parameter is ignored if the Register parameter is no. Range: 0 (231
1) sec.
Default setting: 3600
Register Expires
Allow answering inbound calls without successful (dynamic) registration
by the unit.
Default setting: no
Ans Call Without Reg
Whether to use DNS SRV lookup for Proxy and Outbound Proxy.
Default setting: no
Use DNS SRV
If enabled, the ATA will automatically prepend the Proxy or Outbound
Proxy name with _sip._udp when performing a DNS SRV lookup on
that name.
Default setting: no
DNS SRV Auto Prefix
After failing over to a lower priority server, the ATA waits for the
specified Proxy Fallback Interval, in seconds, before retrying the highest
priority proxy (or outbound proxy) servers. This parameter is useful
only if the primary and backup proxy server list is provided to the ATA
via DNS SRV record lookup on the server name.
Using multiple DNS A records per server name does not allow the
notion of priority, so all hosts will be considered at the same priority
and the ATA will not attempt to fall back after a failover.
Default setting: 3600
Proxy Fallback Intvl
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
79
Voice Settings Configuration
Proxy and Registration

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Cisco ATA 191 Specifications

General IconGeneral
Fax SupportT.38 Fax Relay
Relative Humidity10% to 90% (non-condensing)
Ports2 FXS ports
Voice ProtocolSIP
ProtocolsSIP, RTP, RTCP
Power5V DC
Network Interfaces10/100BASE-T Ethernet port
Operating Temperature32°F to 104°F (0°C to 40°C)
Audio CodecsG.711 (a-law and μ-law), G.729a, G.722, G.726
Voice CodecsG.711 (a-law and μ-law), G.729a, G.722, G.726
Storage Temperature14 to 140°F (-10 to 60°C)

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