> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Wolfgang S. Rupprecht > Sent: Monday, August 02, 2004 8:37 PM > To: [EMAIL PROTECTED] > Subject: Re: [Asterisk-Users] [RANT] Today's possible > problems with Broadvoice???? > > > [EMAIL PROTECTED] (Andrew Kohlsmith) writes: > > That's not asking ofr help. He knows his system hasn't changed. He > > knows that BV is up and down like a bride's nightie. > > Hey, without this thread you wouldn't have gotten to use that > great line. > > Thanks for the chuckle! > > > The thread is no longer about help. It's a bitch and moan and > > status report on BV. > > Actually there are a few asterisk issues mixed in there along with a > VIOP service provider that has technical pains. > > The fact that asterisk doesn't periodically re-check or deal with > multiple IP's handed out by DNS and register with all of them is an > asterisk problem brought to light by the BV configuration. > > The other problems are more VOIP provider issues, but one that > asterisk newbies might not realize would be problems before they put > their money on the table and try to get asterisk running with a > particular provider. Here is my checklist that I will use to evaluate > future VIOP providers. > > * Does the provider give you the raw settings so you can use a generic > SIP device (such as asterisk)? > > * Can the VOIP provider assign you a local telephone number or will > people be forced to call long distance to reach you? > > * Does the VOIP provider have an 8-bit clean ulaw path or is one > forced to use their choice of compression? > > * Does the VOIP provider try to hide their ping times by filtering > ICMP echo-requests and/or echo-replies. > > # Does the VOIP provider filter all ICMP's at the border router > because of some "security issue" involving copious hand-waving. > > * Does the VOIP provider have SRV records setup for > _sip._udp.<company>.<topdomain> ? (Shame, shame on any provider > that can't take the minute or two to add those DNS records!) > > * Does the VOIP provider have forward and reverse DNS entries in place > for all machines that send packets to customers? > > * Does the VOIP provider have low delay times (say 20ms - 40ms) for > SIP-pings to their server? > > (Asterisk issues: Asterisk could really have a yellow/orange/red > alarm system for indicating when delay times are heading upwards and > user's will notice and complain.) > > * Does the VOIP provider force you to mung your native SIP address and > make it impossible for your SIP device to re-invite and cut out the > delays associated with forwarding all packets through their server? > > * Does the VOIP provider allow you to inject your SIP name and number > on a per-call basis? > > (Eg. Can family members have the sip name aka "caller id", indicate > the real calling party's name?) > > -wolfgang > -- > Wolfgang S. Rupprecht http://www.wsrcc.com/wolfgang/ > openbsd amd64 > http://www.wsrcc.com/wolfgang/ftp/asterisk-openbsd35.patch
Any suggestions for VSP's located in Canada, or the US that provide those checklist items? It would be nice to have that information included in the wiki. Geoff _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
