Sorry but even when option 4 is like 2 and 3 the same problems appear.
Maybe this helps a bit:
When i call to the other budgetphone number (option 2 and 3) sip debug say this:
--------------------------
We're at 192.168.0.1 port 18898
Answering/Requesting with root capability 0x400 (ilbc)
Answering with preferred capability 0x200 (speex)
Answering with preferred capability 0x8 (alaw)
Answering with preferred capability 0x2 (gsm)
Answering with preferred capability 0x4 (ulaw)
Answering with non-codec capability 0x1 (telephone-event)
12 headers, 14 lines
Reliably Transmitting:
INVITE sip:0307110319@budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK0962f4a8
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as120ae01b
To: <sip:0307110319@budgetphone.nl>
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 632938914d8823f407cfe7a30e11499c@192.168.0.1
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Date: Sun, 14 Aug 2005 19:15:15 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Content-Type: application/sdp
Content-Length: 316
v=0
o=root 17092 17092 IN IP4 192.168.0.1
s=session
c=IN IP4 192.168.0.1
t=0 0
m=audio 18898 RTP/AVP 97 110 8 3 0 101
a=rtpmap:97 iLBC/8000
a=rtpmap:110 speex/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:3 GSM/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp

ff - - - -
(no NAT) to 81.23.228.150:5060
-- Called
0307110319@budgetphone.nl
linuxbak*CLI>
Sip read:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK0962f4a8;rport=1028 ;received=145.97.216.214
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as120ae01b
To: <sip:0307110319@budgetphone.nl>
Call-ID: 632938914d8823f407cfe7a30e11499c@192.168.0.1
CSeq: 102 INVITE
Server: Sip EXpress router (0.8.14-6 (i386/linux))
Content-Length: 0
8 headers, 0 lines
linuxbak*CLI>
Sip read:
SIP/2.0 100 trying -- your call is important to us
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK0962f4a8;rport=1028 ;received=145.97.216.214
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as120ae01b
To: <sip:0307110319@budgetphone.nl>
Call-ID: 632938914d8823f407cfe7a30e11499c@192.168.0.1
CSeq: 102 INVITE
Server: Sip EXpress router (0.8.14-6 (i386/linux))
Content-Length: 0
8 headers, 0 lines
linuxbak*CLI>
Sip read:
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.168.0.1:5060;rport=1028;received=145.97.216.21 4;branch=z9hG4bK0962f4a8
Record-Route: <sip:0307110319@81.23.228.150;ftag=as120ae01b;lr=o n>
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as120ae01b
To: <sip:0307110319@budgetphone.nl>;tag=01e5fff67f9b78 b4
Call-ID: 632938914d8823f407cfe7a30e11499c@192.168.0.1
CSeq: 102 INVITE
User-Agent: Grandstream HT286 1.0.6.7
Content-Length: 0
---------------------------------------
When i let asterisk try to call my mobile number (exten => 4,1,Dial(SIP/0647506476@budgetphone.nl,40), sip debug reports this:
----------------------------------
We're at 192.168.0.1 port 15958
Answering/Requesting with root capability 0x2 (gsm)
Answering with preferred capability 0x400 (ilbc)
Answering with preferred capability 0x200 (speex)
Answering with preferred capability 0x8 (alaw)
Answering with preferred capability 0x4 (ulaw)
Answering with non-codec capability 0x1 (telephone-event)
12 headers, 14 lines
Reliably Transmitting:
INVITE sip:0647506476@budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Date: Sun, 14 Aug 2005 19:17:44 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Content-Type: application/sdp
Content-Length: 316
v=0
o=root 17096 17096 IN IP4 192.168.0.1
s=session
c=IN IP4 192.168.0.1
t=0 0
m=audio 15958 RTP/AVP 3 97 110 8 0 101
a=rtpmap:3 GSM/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:110 speex/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp

ff - - - -
(no NAT) to 81.23.228.150:5060
-- Called
0647506476@budgetphone.nl
linuxbak*CLI>
Sip read:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595;rport=1028 ;received=145.97.216.214
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 INVITE
Server: Sip EXpress router (0.8.14-6 (i386/linux))
Content-Length: 0
8 headers, 0 lines
linuxbak*CLI>
Sip read:
SIP/2.0 403 PSTN calls are forbidden
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595;rport=1028 ;received=145.97.216.214
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>;tag=9b5971f23d1887 2ff678d4e9dae023f8.e58d
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 INVITE
Server: Sip EXpress router (0.8.14-6 (i386/linux))
Content-Length: 0
8 headers, 0 lines
Transmitting:
ACK sip:0647506476@budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>;tag=9b5971f23d1887 2ff678d4e9dae023f8.e58d
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 ACK
User-Agent: Asterisk PBX
Content-Length: 0
(no NAT) to 81.23.228.150:5060
Aug 14 21:17:44 WARNING[7139]: chan_sip.c:6811 handle_response: Forbidden - wrong password on authentication for INVITE to '"0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb'
-- SIP/budgetphone.nl-9f10 is circuit-busy
Reliably Transmitting:
CANCEL sip:0647506476@budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 CANCEL
User-Agent: Asterisk PBX
Content-Length: 0
(no NAT) to 81.23.228.150:5060
Scheduling destruction of call '72374d1238506b38509673f4692f3730@192.168.0.1' in 15000 ms
== Everyone is busy/congested at this time
linuxbak*CLI>
Sip read:
SIP/2.0 487 Request cancelled
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK59e3e595;rport=1028 ;received=145.97.216.214
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as355334fb
To: <sip:0647506476@budgetphone.nl>;tag=9b5971f23d1887 2ff678d4e9dae023f8.e58d
Call-ID: 72374d1238506b38509673f4692f3730@192.168.0.1
CSeq: 102 CANCEL
Server: Sip EXpress router (0.8.14-6 (i386/linux))
Content-Length: 0
---------------------------------------
And When i let asterisk try to call exten => 4,1,Dial(SIP/0647506476@voipwg01.budgetphone.nl,40), sip debug reports this:
----------------------------------
We're at 192.168.0.1 port 16562
Answering/Requesting with root capability 0x2 (gsm)
Answering with preferred capability 0x400 (ilbc)
Answering with preferred capability 0x200 (speex)
Answering with preferred capability 0x8 (alaw)
Answering with preferred capability 0x4 (ulaw)
Answering with non-codec capability 0x1 (telephone-event)
12 headers, 14 lines
Reliably Transmitting:
INVITE sip:0647506476@voipgw01.budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK1d97f3c7
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as4c777e97
To: <sip:0647506476@voipgw01.budgetphone.nl>
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 248fa6e301ac36ce1bafa531274c0331@192.168.0.1
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Date: Sun, 14 Aug 2005 19:31:15 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Content-Type: application/sdp
Content-Length: 316
v=0
o=root 17118 17118 IN IP4 192.168.0.1
s=session
c=IN IP4 192.168.0.1
t=0 0
m=audio 16562 RTP/AVP 3 97 110 8 0 101
a=rtpmap:3 GSM/8000
a=rtpmap:97 iLBC/8000
a=rtpmap:110 speex/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=silenceSupp

ff - - - -
(no NAT) to 212.203.28.2:5060
-- Called
0647506476@voipgw01.budgetphone.nl
Retransmitting #1 (no NAT):
INVITE sip:0647506476@voipgw01.budgetphone.nl SIP/2.0
Via: SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bK1d97f3c7
From: "0647506476" <sip:0647506476@192.168.0.1>;tag=as4c777e97
To: <sip:0647506476@voipgw01.budgetphone.nl>
Contact: <sip:0647506476@192.168.0.1>
Call-ID: 248fa6e301ac36ce1bafa531274c0331@192.168.0.1
CSeq: 102 INVITE
User-Agent: Asterisk PBX
Date: Sun, 14 Aug 2005 19:31:15 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Content-Type: application/sdp
Content-Length: 316
and so an to #5
and then:
to 212.203.28.2:5060
Aug 14 21:32:46 WARNING[7139]: chan_sip.c:694 retrans_pkt: Maximum retries exceeded on call 5616dd3c76f9c3a325afb1317d62e06d@192.168.0.1 for seqno 102 (Critical Request)
== No one is available to answer at this time
Destroying call '5616dd3c76f9c3a325afb1317d62e06d@192.168.0.1'
----------------------
any suggestion??