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Page 211 / 286 Scroll up to view Page 206 - 210
SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
209
B
•
Dynamic Payloads:
The configured dynamic payloads are used for outbound
calls only where the
SPA9000
presents the SDP offer. For inbound calls with a
SDP offer, the
SPA9000
follows the caller dynamic payload type assignments.
•
Codec Names:
The
SPA9000
uses the configured codec names in its outbound
SDP. The
SPA9000
ignores the codec names in incoming SDP for standard
payload types (0 – 95). For dynamic payload types, the
SPA9000
identifies the
codec by the configured codec names. Comparison is case-insensitive.
NSE Dynamic Payload
NSE dynamic payload type. The valid range is 96-127.
Default:
100
AVT Dynamic Payload
AVT dynamic payload type. The valid range is 96-127.
Default:
101
INFOREQ Dynamic
Payload
INFOREQ dynamic payload type.
Default: blank
G726r16 Dynamic
Payload
G.726-16 dynamic payload type. The valid range is 96-127.
Default:
98
G726r24 Dynamic
Payload
G.726-24 dynamic payload type. The valid range is 96-127.
Default:
97
G726r40 Dynamic
Payload
G.726-40 dynamic payload type. The valid range is 96-127.
Default:
96
G729b Dynamic Payload
G.729b dynamic payload type. The valid range is 96-127.
Default:
99
NSE Codec Name
NSE codec name used in SDP.
Default:
NSE
AVT Codec Name
AVT codec name used in SDP.
Default:
telephone-event
G711u Codec Name
G.711u codec name used in SDP.
Default:
PCMU
G711a Codec Name
G.711a codec name used in SDP.
Default:
PCMA
G726r16 Codec Name
G.726-16 codec name used in SDP.
Default:
G.726-16
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Page 212 / 286
SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
210
B
Voice tab > SIP page
NAT Support Parameters section
G726r24 Codec Name
G.726-24 codec name used in SDP.
Default:
G.726-24
G726r32 Codec Name
G.726-32 codec name used in SDP.
Default:
G.726-32
G726r40 Codec Name
G.726-40 codec name used in SDP.
Default:
G.726-40
G729a Codec Name
G.729a codec name used in SDP.
Default:
G.729a
G729b Codec Name
G.729b codec name used in SDP.
Default:
G.729ab
G723 Codec Name
G.723 codec name used in SDP.
Default:
G.723
EncapRTP Codec Name
EncapRTP codec name used in SDP.
Default:
encaprtp
Handle VIA received
If you select yes, the SPA9000 processes the received
parameter in the VIA header (this value is inserted by the
server in a response to any one of its requests). If you select
no, the parameter is ignored. Select yes
or
no from the drop-
down menu.
Default:
no
Handle VIA rport
If you select yes, the SPA9000 processes the rport
parameter in the VIA header (this value is inserted by the
server in a response to any one of its requests). If you select
no, the parameter is ignored. Select yes
or
no from the drop-
down menu.
Default:
no
Insert VIA received
Inserts the received parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP values
differ. Select yes
or
no from the drop-down menu.
Default:
no
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SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
211
B
Insert VIA rport
Inserts the rport parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP values
differ. Select yes
or
no from the drop-down menu.
Default:
no
Substitute VIA Addr
Lets you use NAT-mapped IP-address port values in the VIA
header. Select yes
or
no from the drop-down menu.
Default:
no
Send Resp To Src Port
Sends responses to the request source port instead of the
VIA sent-by port. Select yes
or
no from the drop-down menu.
Default:
no
STUN Enable
Enables the use of STUN to discover NAT mapping. Select
yes
or no from the drop-down menu.
Default:
no
STUN Test Enable
If the STUN Enable feature is enabled and a valid STUN
server is available, the SPA9000 can perform a NAT-type
discovery operation when it powers on. It contacts the
configured STUN server, and the result of the discovery is
reported in a Warning header in all subsequent REGISTER
requests. If the SPA9000 detects asymmetric NAT or
asymmetric firewall, NAT mapping is disabled.
Default:
no
STUN Server
IP address or fully-qualified domain name of the STUN server
to contact for NAT mapping discovery.
Default: blank
EXT IP
External IP address to substitute for the actual IP address of
the SPA9000 in all outgoing SIP messages. If 0.0.0.0 is
specified, or the field is left blank, no IP address substitution
is performed.
NOTE
You must also configure port forwarding for SIP
[5060-5063] and RTP [16384-16482] when using the EXT IP
field, or phone users may experience one-way audio because
the RTP stream will not find its way between the two phones.
If this parameter is specified, the SPA9000 assumes this IP
address when generating SIP messages and SDP (if NAT
Mapping is enabled for that line). However, the results of
STUN and VIA received parameter processing, if available,
supersede this statically configured value.
Default: blank
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SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
212
B
Voice tab > SIP page
PBX Parameters section
EXT RTP Port Min
External port mapping number of the RTP Port Min. number. If
this value is not zero, the RTP port number in all outgoing SIP
messages is substituted for the corresponding port value in
the external RTP port range.
Default: blank
NAT Keep Alive Intvl
Interval between NAT-mapping keep alive messages.
Default:
15
Field
Description
Proxy Network Interface
This setting tells the SPA9000 how the client stations are
connected. Choices: {LAN, WAN}. The SPA9000
communicates with client stations via the selected interface
only.
Default:
WAN
NOTE
For optimum voice performance, Linksys Engineering
and Quality Assurance recommend that only WAN is used.
Proxy Listen Port
Port at which the SPA9000 listens for client messages at the
selected network interface. The proxy also sends SIP
messages from this port.
Default:
6060
Multicast Address
IP address (and port number) where the SPA9000 sends
control messages to all the client stations at once. This must
be a multicast address and must contain a port number.
Default:
224.168.168.168:6061
Group Page Address
IP address (and port number) where the SPA9000 tells the
client stations to send and receive group page RTP packets.
This must be a multicast address and must contain a port
number.
Default:
224.168.168.168:34567
Max Expires
Sets the maximum allowed Registration expires value in
seconds for client stations. Linksys recommends using a
relatively small value, such as 60 or 120.
Default:
60
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SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide
213
B
Force Media Proxy
Forces external client stations to use the SPA9000 Media
Proxy when exchanging RTP traffic with external peers.
Linksys recommends using a relatively small value, such as
60 or 120.
Default:
no
Proxy Debug Option
Controls what SIP messages to log that are received at or
sent from the Proxy listen port. Choices are as follows: {
none—No logging.
1-line—Logs the start-line only for all messages,
1-line excl. OPT—Same as 1-line but excludes OPTIONS
request/response.
1-line excl. NTFY—Same as 1-line but excludes NOTIFY
request/response.
1-line excl. REG—Same as 1-line but excludes REGISTER
request/response.
1-line excl. OPT|NTFY|REG—Same as 1-line but excludes
OPTIONS, NOTIFY, and REGISTER request/response.
full—Logs all SIP messages in verbose mode.
full excl. OPT—Same as full but excludes OPTIONS request/
response.
full excl. NTFY—Same as full but excludes NOTIFY request/
response.
full excl. REG—Same as full but excludes REGISTER request/
response.
full excl. OPT|NTFY|REG—Same as full but excludes
OPTIONS, NOTIFY, and REGISTER request/response.
Default:
None
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