We use standard sip ports all day long, and have had no issues with employee phones on the verzion network. On Jul 18, 2014 12:03 PM, "Eric Wieling" <ewiel...@nyigc.com> wrote:
> Depends on the carrier. Verizon Wireless appears to activly block > SIP. G729 codec is needed on 3G and is a good idea on 4G. I use TLS > and SRTP to work around carrier stupidity. I also use a non-standard port > for TLS. It mostly works much of the time. Don’t get BRIA, every time > your registration is dropped it will popup a notification. > > > > *From:* asterisk-users-boun...@lists.digium.com [mailto: > asterisk-users-boun...@lists.digium.com] *On Behalf Of *Tech Dude > *Sent:* Friday, July 18, 2014 1:00 PM > *To:* asterisk-users@lists.digium.com > *Subject:* [asterisk-users] VoIP over 3G/4G Data > > > > What are the recommended settings to successfully implement VoIP over > 3G/4G data connection. Assume we are talking about using Polycom phones, > and the 3G/4G data connection comes from a Cradlepoint router that is > plugged in with AC power and has high gain antennas. The device will be > stationary, so we will not have to worry about tower handoff’s breaking the > connection. This will be for fixed wireless. > > > > I have read to use G.729 codec, and TCP for signaling to bypass firewalls. > Besides that, what other settings are recommended? Changes in MTU? Changes > in voice payload ms? Is there a better codec to use? Header compression? > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users