These can be a real hurdle when setting up VoIP, help others by posting your configs, tips and tricks or simply ask others for help if you're stuck.
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UKVF Memberships
by WelshPaul  - Sun 16th July 2017, 13:43  - in: Community Announcements Preview
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by WelshPaul
Sun 16th July 2017, 13:43
We Need Your Help!
by WelshPaul  - Mon 17th April 2017, 14:23  - in: Community Announcements Preview
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by WelshPaul
Mon 17th April 2017, 18:05
Posting Rules
by WelshPaul  - Mon 15th December 2014, 10:54  - in: Community Announcements Preview
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by WelshPaul
Mon 15th December 2014, 10:54
Terms of Use
by WelshPaul  - Sun 3rd November 2013, 10:09  - in: Community Announcements Preview
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by WelshPaul
Sun 3rd November 2013, 10:09
Topics
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Firewall Issues?
by GoofyCyborg  - Thu 6th February 2014, 17:10 Preview
7 Replies 
2325 Views
by sbatz1972
Sun 28th June 2015, 15:38
Optimise Your Router for use with VoIP and Video (Part 1)
by WelshPaul  - Thu 7th November 2013, 10:14 Preview
3 Replies 
2030 Views
by Bonzer
Sun 14th June 2015, 19:37
Do I need to use a NAT outbound proxy?
by WelshPaul  - Thu 22nd May 2014, 09:25 Preview
2 Replies 
1741 Views
by WelshPaul
Fri 5th June 2015, 12:45
Optimise Your Router for use with VoIP and Video (Part 2)
by WelshPaul  - Thu 7th November 2013, 12:25 Preview
1 Replies 
1763 Views
by kylerlittle
Fri 5th June 2015, 09:17
Outbound Calls dropping after 30-40 seconds
by webby56  - Sat 26th August 2017, 03:11 Preview
3 Replies 
109 Views
by WelshPaul
Wed 18th October 2017, 16:35
Disable SIP ALG On Asus Routers
by GoofyCyborg  - Sun 2nd March 2014, 10:22 Preview
1 Replies 
12233 Views
by YourLocalGP
Fri 7th July 2017, 23:38
What router do you use?
by GoofyCyborg  - Thu 9th January 2014, 09:25 Preview
16 Replies 
4789 Views
by WelshPaul
Thu 18th May 2017, 21:34
Asterisk Remote Extension Issues
by bernyclarke  - Tue 9th May 2017, 09:50 Preview
2 Replies 
64 Views
by bernyclarke
Tue 9th May 2017, 11:27
Block all Inbound UDP ports and still use SIP
by Ian_Dob  - Sat 29th April 2017, 19:54 Preview
1 Replies 
77 Views
by WelshPaul
Tue 2nd May 2017, 10:54
3 Replies 
2324 Views
by WelshPaul
Wed 31st August 2016, 15:57
FritzBox
by DidiE  - Mon 18th April 2016, 22:18 Preview
5 Replies 
25834 Views
by WelshPaul
Sat 30th April 2016, 19:32
Asus DSL-N55U - Grandstream HT502 registration failure
by Jack Boxer  - Mon 21st March 2016, 08:25 Preview
4 Replies 
1633 Views
by Jack Boxer
Mon 21st March 2016, 12:41
Fail2ban attack
by Echo44  - Mon 22nd February 2016, 18:43 Preview
0 Replies 
1453 Views
by Echo44
Mon 22nd February 2016, 18:43
Random handset disconnects
by rogerdunn56  - Wed 11th November 2015, 16:09 Preview
4 Replies 
3089 Views
by rogerdunn56
Fri 20th November 2015, 13:13
Antivirus for mobile phone
by vinaya  - Sat 26th September 2015, 14:44 Preview
11 Replies 
3165 Views
by billybob
Sun 4th October 2015, 16:53
Are Free Anti virus effective?
by oderog  - Tue 9th June 2015, 12:02 Preview
46 Replies 
8308 Views
by vinaya
Thu 1st October 2015, 01:43
Firewall Vs Antivirus
by vinaya  - Wed 30th September 2015, 00:26 Preview
3 Replies 
2061 Views
by vinaya
Thu 1st October 2015, 01:39
what is firewall?
by adssolsn  - Wed 23rd September 2015, 20:50 Preview
3 Replies 
1701 Views
by bluegreen
Wed 30th September 2015, 16:19
Does Windows Firewall block everything?
by BradR  - Wed 27th May 2015, 16:08 Preview
20 Replies 
3795 Views
by bluegreen
Wed 23rd September 2015, 19:07
Best Antivirus For Laptop?
by lokiebunny  - Sat 12th September 2015, 19:16 Preview
10 Replies 
1845 Views
by pwarbi
Fri 18th September 2015, 11:42
Anti-Virus and Firewall?
by BradR  - Sun 31st May 2015, 13:26 Preview
24 Replies 
4113 Views
by nytegeek
Sat 12th September 2015, 21:45
Windows firewall or something more powerful?
by kaiuk  - Mon 16th March 2015, 21:20 Preview
9 Replies 
2264 Views
by nytegeek
Wed 2nd September 2015, 01:21
An... embarrassing router problem.
by John Donovan  - Wed 8th July 2015, 19:46 Preview
5 Replies 
1913 Views
by pwarbi
Fri 14th August 2015, 11:17
NAT for newbies?
by KenBrace  - Wed 11th March 2015, 02:42 Preview
7 Replies 
1959 Views
by ericnail
Wed 12th August 2015, 23:24
The final chapter in the cheap router saga
by John Donovan  - Thu 16th July 2015, 21:32 Preview
0 Replies 
1190 Views
by John Donovan
Thu 16th July 2015, 21:32
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OK thanks, what VPN are you using ??

A good write up on SIP ALG: https://www.voicehost…

Thanks very much. Really appreciate it! :-D

Attached below is my latest OBIHAI UK configuratio…