telebox*CLI> sip filter add peer 2013
telebox*CLI> sip debug 1
SIP Debug level 1 Enabled
DIR Sip data                                                                         Peer       CSeq  IP
<-- INVITE sip:2016@192.168.10.1;user=phone SIP/2.0                                  2013       7045  192.168.10.3
--> SIP/2.0 407 Proxy Authentication Required                                        2013       7045  192.168.10.3
<-- ACK sip:2016@192.168.10.1 SIP/2.0                                                2013       7045  192.168.10.3
<-- INVITE sip:2016@192.168.10.1 SIP/2.0                                             2013       7046  192.168.10.3
--> SIP/2.0 100 Trying                                                               2013       7046  192.168.10.3
    -- Executing Dial("SIP/2013-b507", "SIP/2016|10|tr") in new stack
    -- Called 2016
--> SIP/2.0 180 Ringing                                                              2013       7046  192.168.10.3
    -- SIP/2016-9565 is ringing
    -- SIP/2016-9565 answered SIP/2013-b507
--> SIP/2.0 200 OK                                                                   2013       7046  192.168.10.3
    -- Attempting native bridge of SIP/2013-b507 and SIP/2016-9565
<-- ACK sip:2016@192.168.10.1 SIP/2.0                                                2013       7046  192.168.10.3
  == Spawn extension (sip, 2016, 1) exited non-zero on 'SIP/2013-b507'
--> BYE sip:2013@192.168.10.3 SIP/2.0                                                2013       102   192.168.10.3
<-- SIP/2.0 200 OK                                                                   2013       102   192.168.10.3
telebox*CLI>