Do i have to change the adsl routers? or just do QoS with the Layer 3 switches? Will my ADSL router respect the QoS setting when sending the packet to the Internet?
On 9/1/05, asterisk groups <[EMAIL PROTECTED]> wrote: > Erick, > > After reviewing your original message a little closer it occurs to me > that you may be able to trunk Asterisk<--->Meridian with 2 Digium TDM400 > cards. These are Quad FXS or FXO cards that could receive the lines from > your 8 analog line card. > > You'll still need an E1 card (Digium or Sangoma) to terminate your PRI > line, but maybe with those TDM400 cards you can avoid the added cost of > a channel bank. > > Regarding your WAN and branch offices; > > 1. I've seen comments that tunneling VoIP traffic through IPSec can add > overhead/delay that could impact voice quality. Something to keep in > mind. I have trunked Asterisk boxes in MIA,BUE,SAO, etc. but trunk with > IAX over the Internet not tunneled or encrypted and performance is fine. > > 2. In your two locations with 15 & 50 users you should consider > installing Asterisk boxes in those locations and trunking them together > with IAX over the Internet. Perhaps go ahead and do the same thing with > the smaller office. You can justify a small Asterisk implementation in > an office with 5 phones. > > 3. For QoS look for L3 managed switches that can do QoS and/or bandwidth > allocation. Cisco, Dell, Nortel, HP can all do this, maybe even more > economical D-Links. Put these behind your PIX. It is also recommended to > do separate VLANs for any SIP hard phones you deploy. This adds another > layer of security and reliability. > > Hope this helps. > > > > > > On Wed, 2005-08-31 at 21:43 -0500, Erick Perez wrote: > > -M, The norstar has no E1 card, i will have to ask the nortel provider > > for the cost of it and configuration prices. I might end up paying the > > same as the channel bank. > > I was also thinking of using a Citel SIP-N-NORSTAR converter but its > > priced at around 3k. Too expensive because its only 24 ports and i > > have 32 nortel phones. > > > > According to this wiki > > http://www.voip-info.org/tiki-index.php?page=Asterisk+Nortel > > "One problem with this approach is that in a Norstar system, it isn't > > easy to forward an extension to an outside line, which means Norstar > > phone users will have to remember to do something different when they > > want to call a user who has been switched to an IP phone for example." > > > > I guess that can be sorted out. > > > > Any manuals out there for configuration like > > [Telephone Company] ---E1--- [Asterisk with sangoma s102] ---T1 > > channel bank--- [Norstar]? (only the asterisk-t1-norstar part) > > > > Now another section, networking. > > The 3 offices are linked via VPNs like this > > Internet---ADSL Router-----Cisco PIX Firewall---LAN > > doin ip tunneling will solve all communication problems internally, > > but what about QoS and SIP phones being taken to the public internet? > > one office has 5 users, the other 15, the other 50. ADSL Router > > recommendiations? > > and as for the phones being taken to the outside? what kind of > > configuration do i use? IAX is not an option. > > > > > > > > On 8/31/05, asterisk groups <[EMAIL PROTECTED]> wrote: > > > Erick, > > > > > > Consider trunking your Meridian to the Asterisk via an E1 card on the > > > Nortel. That way you'll be able to maintain your proprietary Nortel > > > phones and won't need a channel bank. > > > > > > Your implementation would be something like this: > > > > > > Cable & Worthless E1(or whoever)-->Asterisk(Sangoma port 1)-(Sangoma > > > port 2)-->Meridian--->Nortel Digital phones > > > > > > suerte, > > > -M > > > > > > On Wed, 2005-08-31 at 18:37 -0500, Erick Perez wrote: > > > > Update to myself: > > > > So in terms of equipment I will need: > > > > Sangoma a102 E1 (two E1 ports) plus a E1 crossover cable > > > > a channel bank with 8 FXS ports > > > > > > > > sounds expensive for just 8 analog ports. Any ideas? > > > > > > > > > > > > > > > > On 8/31/05, Erick Perez <[EMAIL PROTECTED]> wrote: > > > > > Hi, Im about to start shopping parts for an * box. We are migrating > > > > > from a Meridian Norstar+ Modular ICS > > > > > > > > > > Here are the customer details: > > > > > a) Meridian with 8 analog lines card and 32 nortel digital phones and > > > > > voicemail. We will interface * to the meridian using the analog ports > > > > > so we dont loose the phones. > > > > > > > > > > b)half E1. The * box will get half E1 (with DID) for connecting to the > > > > > local telco. > > > > > We need two recepcionist/operator phones (sip or whatever) > > > > > > > > > > So in terms of equipment I will need: > > > > > Sangoma a101 E1/PCI > > > > > an 8 port analog card > > > > > a channel bank? > > > > > > > > > > Can someone tell me if i really have to buy an analog card? or maybe > > > > > link me to a web site that explains (with images) how a t1/e1 is > > > > > managed? > > > > > > > > > > Thanks, and I apologize for this completely newbie question. I've > > > > > never seen images or instructions on how to handle this. Im not even > > > > > sure im using the right terms in Google. > > > > > > > > > > -- > > > > > > > > > > ------------------------------------------- > > > > > Erick Perez > > > > > Linux User 376588 > > > > > http://counter.li.org/ (Get counted!!!) > > > > > Panama, Republic of Panama > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > --Bandwidth and Colocation sponsored by Easynews.com -- > > > > > > 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 > > > > > > > > > -- > > > > ------------------------------------------- > > Erick Perez > > Linux User 376588 > > http://counter.li.org/ (Get counted!!!) > > Panama, Republic of Panama > > _______________________________________________ > > --Bandwidth and Colocation sponsored by Easynews.com -- > > > > 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 > > _______________________________________________ > --Bandwidth and Colocation sponsored by Easynews.com -- > > 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 > -- ------------------------------------------- Erick Perez Linux User 376588 http://counter.li.org/ (Get counted!!!) Panama, Republic of Panama _______________________________________________ --Bandwidth and Colocation sponsored by Easynews.com -- 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
