DRAFT
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DNS SRV Auto Prefix If enabled, the SPA will automatically prepend the Proxy
or Outbound Proxy name with _sip._udp when
performing a DNS SRV lookup on that name
Bool No
Proxy Fallback Intvl This parameter sets the delay (sec) after which the SPA
will retry from the highest priority proxy (or outbound
proxy) servers after it has failed over to a lower priority
server. This parameter is useful only if the primary and
backup proxy server list is provided to the SPA via DNS
SRV record lookup on the server name. (Using multiple
DNS A record per server name does not allow the notion
of priority and so all hosts will be considered at the same
priority and the SPA will not attempt to fall back after a
fail over)
Time0 3600
Subscriber Information
Parameter Name Description Type Default
Display Name Subscriber’s display name to appear in caller-id Str23
User ID Subscriber’s user-id. Usually a E.164 number Str47
Password Subscriber’s a/c password Str23
Auth ID Subscriber’s authentication ID Str39
Use Auth ID
If set to “yes”, the pair <Auth ID> and <Password> are
used for SIP authentication. Else the pair <User ID> and
<Password> are used.
Bool No
Mini Certificate Base64 encoded of Mini-Certificate concatenated with
the 1024-bit public key of the CA signing the MC of all
subscribers in the group.
Str508 Empty
SRTP Private Key Base64 encoded of the 512-bit private key per subscriber
for establishment of a secure call.
Str88 Empty
Notes:
1. If proxy responded to REGISTER with a smaller Expires value, the SPA will renew registration based
on this smaller value instead of the configured value. If registration failed with an “Expires too brief” error
response, the SPA will retry with the value given in the Min-Expires header in the error response.
2. MOH Notes:
• The remote party must indicate that it can receive audio while holding MOH to work. That is the SIP 2xx
response from the remote party in reply to the re-INVITE from the SPA to put the call on hold must have
the SDP indicate a sendrecv or recvonly attribute and the remote destination address and port must not
be 0
Audio Settings
Parameter Name Description Type Default
Preferred Codec Select a preferred codec for all calls. However, the actual
codec used in a call still depends on the outcome of the
codec negotiation protocol.G711u, G711a, G726-16, G726-
Choice G711u
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