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Vonage Hello All,
I did some searching around and I could not find any previous posts
Hello All,
I did some searching around and I could not find any previous posts regarding the blocking/limiting of VoIP traffic by BTL (Belize Telecommunications). After reading about the success others had with lobbying Qatar's ISP/Telco, I thought I might give this a try.
BTL implements a series of NATs/filters for all broadband (DSL) customers. Most customers DO NOT have a static IP or even an IP that is routable to the internet (actually not RFP 1918s, but IPs they have "borrowed"). My neighbors all share a single public IP and NAT takes care of the rest.
I have been using Vonage in Belize for over 6mo with relatively little issue. I recently applied for and received a public/static IP. This change had nothing to do with VoIP but was to get around "the filters" because I was getting truly poor Bittorent performance.
Now I have a public IP on both WAN/LAN interface of my DSL router plus a public on the outside interface of my openbsd firewall (3.9 running pf). My PAP2 resides behind the firewall and receives DNS/DHCP from it.
I continued to use Vonage just fine for another two weeks. This weekend, I plugged in a friend's iconnect PAP2. Both services worked fine for a couple of days. All of the sudden calls started dropping, on both services, after a minute or so. Now NO VoIP calls will go out whatsoever. Fast busy on both Vonage and Iconnect, plus I am only getting inbound media stream with Skype (I can hear, but the other end cannot hear me).
Consequently, about 1 in 10 Vonage calls are completed and I can actually stay on a call for 30+ minutes with decent quality. I am not completely sure that iconnect "blew my cover", but it certainly seems that way.
I sincerely hope this is NOT my ISP. Others in Belize are having similar, albeit intermittent problems. Thusly, the evidence points to them. There are also many threads on various Belize forums regarding this issue.
Here are my questions:
1) Can Vonage change my SIP/RTP ports? Can they be random?
2) Has a viable solution using GRE/IPSEC tunnels been tested?
3) Can others in Belize and concerned netizens contribute to this thread so that we can generate enough momentum to hopefully change BTL's mind. In the case of Qatar, your fine forum members were quite clever in linking the "censorship" to political and economic loss.
Belize's economy is crucially dependent on tourism (probably 70% of the country's revenue). Bad international press would put a lot of pressure on the tourism board here...
Thanks for all replies in advance.
Read The Full Thread: Belize (BTL) Blocking Vonage & Others?
• 1. Belize, Central America
2. BTL, Belize Telecommunications
3. 512k down,
• There are big differencee between Qatar and Belize.
1 There are more expats
• I just called BTL Internet department asking if I get a DSL line could I use it for
• I spent the entire morning on with Vonage Level 3 Support (the highest). The technician
• What happens if you don't use the firewall at all?
• It seems that everyone in Belize using BTL DSL is having the same issue with getting
• Tried the ATA outside of my firewall. Doesn't work.
Interestingly, I tried
• Vonage over BTL's network not working or working badly.
Vonage over Direcway,
• Here are tcpdumps from the ATA to the Vonage proxy. I'm not sure if this is going
KnckrBckr posted "Hello All,
I did some searching around and I could not find any previous posts" on 03/22/2006 |
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