[Asterisk-Users] [RANT] Today's possible problems with Broadvoice????

[Geoff Nordli]

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com 
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of 
> Wolfgang S. Rupprecht
> Sent: Monday, August 02, 2004 8:37 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] [RANT] Today's possible 
> problems with Broadvoice????
> 
> 
> akohlsmith-asterisk at benshaw.com (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