Firebird Scrambler
Systems Engineer
Hello everyone
I'm not sure if anyone reading has ever successfully done this, but I've seen posts on this topic before over the years and it seems that it's not possible for one reason or another?.
Although I can set up a H323 call and also register an IP Phone OK via the internet, I can't ever get any dial tone or speech path.
Before I go into details, I want to make it known that I have two BCM 50 systems with 2 V.O.I.P. H323 trunks and IP Licences and everything works fine when both systems are connected via my internal network.
i.e. BCM Main = 86.130.12.5 and BCM test = 86.130.12.6 etc.
I have two separate broadband internet routers with different ISP Providers and I've been through the port settings for the routers to give them the same settings under "NAT" on each one in "Port Forwarding" such as
BCM Call Pilot & EM 443 443 443 443 86.130.12.5
BCM Trunk Signalling 1718 1720 1718 1720 86.130.12.5
QoS Probe / SIP 5000 5060 5000 5060 86.130.12.5
BCM Call Pilot & EM 5989 6001 5989 6001 86.130.12.5
BCM Signalling 7000 7002 7000 7002 86.130.12.5
BCM Signalling 16500 16501 16500 16501 86.130.12.5
I20xx to BCM 28000 28511 28000 28511 86.130.12.5
BCM Monitor 60001 60001 60001 60001 86.130.12.5
I20xx to BCM 51000 51063 51000 51063 86.130.12.5
Although a number of the ports mentioned above aren't required for IP and Trunk access, I can however access my BCM using Element Manager and the Monitor tool OK via the internet.
From reading all the notes on port settings I'm told that
UDP 1718 to 1719 Used by H323 protocol
TCP 1720 Used by H323 protocol
UDP 7000 Used only when IP sets are active. Signaling to sets takes place on this port.
UDP 7002 Used to handle UNIStim-based IP set firmware file transfers for the purpose of managing IP set F/W
UDP 28000 to 28511 Voice Path for IP trunks, adjustable via Element Manager. See also ports 1718-1720
UDP 51000 to 51063 Voice Path from RTP/RTCP Streaming (intercom/gateway dial tone)
I've even changed the H323 ports 1718 to 1720 to be both UDP and TCP.
With regards to using an IP phone via the internet, I've tried many times, but still unable to get any dial tone after the phone has registered.
I do however get a major alarm 50115 appear which is
TERM.(0004, :0001): No public media address available for IP set at 86.130.12.49:51008
It suggests I "Contact your local support group."!
This error has appeared before, but the port 51008 has already been defined in "Port Forwarding" table range on 51000 to 51063 and I've even made that range UDP and TCP with no effect!.
Alarm 51005 appears every time I power up an IP phone. I've used a 2050 and 2004 phone with the same results from both systems.
I even set up each router with all ports to point via the Demilitarized Zone (DMZ) to the BCM 50 in case there was a port that I was missing?. This made no difference.
I've got to the point of wondering if the problem with I think has to be the media or speech path is due to some sort of port mapping translation?. Its as if the speech or dial tone is received or sent via different ports from each end. Has anyone come across this before within a network and was it easily resolved?.
I've also tried connecting to another BCM in a different country and I still get the same problems at both ends.
It's got me stumped and another thought was to use some sort of "easy to use" network sniffing tool so that it easily shows what is happening.
Thanks for taking the time to read all of this as it's taken me 2 to 3 hours to write it all down!.
All the best
Firebird Scrambler
Meridian 1 / Succession and BCM / Norstar Programmer in the UK
If it's working, then leave it alone!.
I'm not sure if anyone reading has ever successfully done this, but I've seen posts on this topic before over the years and it seems that it's not possible for one reason or another?.
Although I can set up a H323 call and also register an IP Phone OK via the internet, I can't ever get any dial tone or speech path.
Before I go into details, I want to make it known that I have two BCM 50 systems with 2 V.O.I.P. H323 trunks and IP Licences and everything works fine when both systems are connected via my internal network.
i.e. BCM Main = 86.130.12.5 and BCM test = 86.130.12.6 etc.
I have two separate broadband internet routers with different ISP Providers and I've been through the port settings for the routers to give them the same settings under "NAT" on each one in "Port Forwarding" such as
BCM Call Pilot & EM 443 443 443 443 86.130.12.5
BCM Trunk Signalling 1718 1720 1718 1720 86.130.12.5
QoS Probe / SIP 5000 5060 5000 5060 86.130.12.5
BCM Call Pilot & EM 5989 6001 5989 6001 86.130.12.5
BCM Signalling 7000 7002 7000 7002 86.130.12.5
BCM Signalling 16500 16501 16500 16501 86.130.12.5
I20xx to BCM 28000 28511 28000 28511 86.130.12.5
BCM Monitor 60001 60001 60001 60001 86.130.12.5
I20xx to BCM 51000 51063 51000 51063 86.130.12.5
Although a number of the ports mentioned above aren't required for IP and Trunk access, I can however access my BCM using Element Manager and the Monitor tool OK via the internet.
From reading all the notes on port settings I'm told that
UDP 1718 to 1719 Used by H323 protocol
TCP 1720 Used by H323 protocol
UDP 7000 Used only when IP sets are active. Signaling to sets takes place on this port.
UDP 7002 Used to handle UNIStim-based IP set firmware file transfers for the purpose of managing IP set F/W
UDP 28000 to 28511 Voice Path for IP trunks, adjustable via Element Manager. See also ports 1718-1720
UDP 51000 to 51063 Voice Path from RTP/RTCP Streaming (intercom/gateway dial tone)
I've even changed the H323 ports 1718 to 1720 to be both UDP and TCP.
With regards to using an IP phone via the internet, I've tried many times, but still unable to get any dial tone after the phone has registered.
I do however get a major alarm 50115 appear which is
TERM.(0004, :0001): No public media address available for IP set at 86.130.12.49:51008
It suggests I "Contact your local support group."!
This error has appeared before, but the port 51008 has already been defined in "Port Forwarding" table range on 51000 to 51063 and I've even made that range UDP and TCP with no effect!.
Alarm 51005 appears every time I power up an IP phone. I've used a 2050 and 2004 phone with the same results from both systems.
I even set up each router with all ports to point via the Demilitarized Zone (DMZ) to the BCM 50 in case there was a port that I was missing?. This made no difference.
I've got to the point of wondering if the problem with I think has to be the media or speech path is due to some sort of port mapping translation?. Its as if the speech or dial tone is received or sent via different ports from each end. Has anyone come across this before within a network and was it easily resolved?.
I've also tried connecting to another BCM in a different country and I still get the same problems at both ends.
It's got me stumped and another thought was to use some sort of "easy to use" network sniffing tool so that it easily shows what is happening.
Thanks for taking the time to read all of this as it's taken me 2 to 3 hours to write it all down!.
All the best
Firebird Scrambler
Meridian 1 / Succession and BCM / Norstar Programmer in the UK
If it's working, then leave it alone!.
