Hi, I have a project coming up which will need to interface Asterisk to E1 trunks in the UK. I have a couple of questions which I hope someone can answer, or give me some pointers: 1. If I want two E1 trunks, is there anything to choose, performance-wise, between using two ports on a single TE405P, and using two E100P cards? 2. How can I test the E1 operation in the lab, which doesn't have an E1 line available, before taking the unit to the installation site? Can I run two Asterisks back-to-back? Can I run one port into another on a single TE405P? I couldn't find anything on the above in the Wiki; if I didn't look hard enough, please tell me where I missed. Thanks. Any advice would be gratefully received! Cheers Tony -- Tony Mountifield Work: tony@softins.co.uk - http://www.softins.co.uk Play: tony@mountifield.org - http://tony.mountifield.org
Hi Tony- Two E1's running on a TE405P should be a better choice, as the TE405 is capable of "bus mastering" which gives better performance. Besides, you only use one PCI slot in this configuration. However, of course you lose board redundancy. You can run 1 E1 port to another by using a crossover cable, as follows: 1 -- 4 2 -- 5 4 -- 1 5 -- 2 You can then use the outbound call generation capability of asterisk (see the file called sample.call) to generate calls on 1 span, and receive them on the other with the normal dialplan. I've done this many times for load testing. You can do it on one machine no problem. There's a little more information about this on the Wiki: http://www.voip-info.org/wiki-Asterisk+dimensioning Regards, Scott Scott M. Stingel President, Emerging Voice Technology, Inc. Palo Alto California & London England www.evtmedia.com -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Tony Mountifield Sent: Tuesday, June 29, 2004 2:00 AM To: asterisk-users@lists.digium.com Subject: [Asterisk-Users] How to test E1 interfacing? Hi, I have a project coming up which will need to interface Asterisk to E1 trunks in the UK. I have a couple of questions which I hope someone can answer, or give me some pointers: 1. If I want two E1 trunks, is there anything to choose, performance-wise, between using two ports on a single TE405P, and using two E100P cards? 2. How can I test the E1 operation in the lab, which doesn't have an E1 line available, before taking the unit to the installation site? Can I run two Asterisks back-to-back? Can I run one port into another on a single TE405P? I couldn't find anything on the above in the Wiki; if I didn't look hard enough, please tell me where I missed. Thanks. Any advice would be gratefully received! Cheers Tony -- Tony Mountifield Work: tony@softins.co.uk - http://www.softins.co.uk Play: tony@mountifield.org - http://tony.mountifield.org _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
1. Can't answer, sorry! 2. Yes, although you have to be clear about what you're proving, you're proving that the cards work, not that asterisk is correctly configured and will eventually talk exactly correctly to the entity that you'll connect it to be a PBX or a telco. You'd configure one as net and the other as cpe, and you could then back to back them. We did this. Steve (based in the UK) -----Original Message----- From: tony@softins.clara.co.uk [mailto:tony@softins.clara.co.uk] Sent: 29 June 2004 10:00 To: asterisk-users@lists.digium.com Subject: [Asterisk-Users] How to test E1 interfacing? Hi, I have a project coming up which will need to interface Asterisk to E1 trunks in the UK. I have a couple of questions which I hope someone can answer, or give me some pointers: 1. If I want two E1 trunks, is there anything to choose, performance-wise, between using two ports on a single TE405P, and using two E100P cards? 2. How can I test the E1 operation in the lab, which doesn't have an E1 line available, before taking the unit to the installation site? Can I run two Asterisks back-to-back? Can I run one port into another on a single TE405P? I couldn't find anything on the above in the Wiki; if I didn't look hard enough, please tell me where I missed. Thanks. Any advice would be gratefully received! Cheers Tony -- Tony Mountifield Work: tony@softins.co.uk - http://www.softins.co.uk Play: tony@mountifield.org - http://tony.mountifield.org _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users The information contained in this email is intended for the personal and confidential use of the addressee only. It may also be privileged information. If you are not the intended recipient then you are hereby notified that you have received this document in error and that any review, distribution or copying of this document is strictly prohibited. If you have received this communication in error, please notify Brendata immediately on: +44 (0)1268 466100, or email 'technical@brendata.co.uk' Brendata (UK) Ltd Nevendon Hall, Nevendon Road, Basildon, Essex. SS13 1BX UK Registered Office as above. Registered in England No. 2764339 See our current vacancies at www.brendata.co.uk