Hall of Fame

1. koszegi62,262
2. xuserx2...55,732
3. feptias51,125
4. ajkhalifa50,312
5. uetian170749,920
6. kenboonejr45,500
7. grblades44,231
8. lrmoore44,118
9. hus198439,086
10. ikalmar36,447
11. ged12532,650
12. harbor23529,700
13. ehatchell27,018
14. decoleur26,800
15. kode9922,900
16. voipman22,450
17. michofreiha20,800
18. rpalmeira2217,346
19. cordeos15,575
20. API_NOC13,900
21. samdart13,600
22. bkepford13,500
23. table911,950
24. wtalleyee11,500
25. denisdsr2010,964

1. grblades722,653
2. rpalmeira22243,223
3. Joel_Sisko208,919
4. lrmoore148,896
5. feptias140,782
6. kode99110,007
7. xuserx2...71,182
8. harbor23569,678
9. bfason69,575
10. uetian170767,650
11. koszegi62,262
12. decoleur53,700
13. ajkhalifa50,312
14. michofreiha48,298
15. benhanson47,678
16. kenboonejr45,500
17. KerryG40,690
18. scampgb40,637
19. jfrady39,354
20. hus198439,086
21. ehatchell38,457
22. ikalmar36,447
23. greekstones33,417
24. ged12532,650
25. cstosgale32,355

	[x] Posted via EE Mobile
	Search, ask, and monitor your questions on the go with EE Mobile. Visit Experts Exchange from your mobile device and never be out of touch again.

Question

	[x] Attachment Details

[x]

The Solution Rating System

With so many solutions, how can you tell which solutions are most likely to help you and which ones are not? To provide you with a tool to use, we rate our solutions based on various elements that most accurately determine if a solution is a quality solution. To explain what factors affect the solution rating, here are the elements we take into consideration when formulating our solution rating.

The Grade of the Solution
The Zone Rank of the Expert Providing the Solution
The Number of Author and Expert Comments
The Number of Experts Contributing
The Feedback of the Community

Your Input Matters
Because of the way the system is set up, the most important variable in this equation is you. As a member of Experts Exchange, you are able to cast your vote on the quality of the solutions in regard to how complete, accurate, helpful and easy to understand each solution is. When you provide your feedback, each rating is adjusted accordingly. So, if you see a solution that has a poor rating that you think is a good solution, let us know by rating it. As you do, the rating will be adjusted and will become more accurate for other members of our site.

If you have any suggestions that you would like to make for our rating system, please ask a question in the Suggestions Zone of Community Support.

Thank you!

7.2

Invalid Information Element on calls without caller ID number publishing (Quintum Tenor/Nortel Norstar)

Asked by winterfrost in Voice Over IP

Tags: information, element, invalid

Perhaps the nature of this question is not IT-specific enough for Experts-Exchange, but I'm going to throw it out there anyway...

We are attempting to implement VoIP between two branch offices using Quintum Tenor VoIP gateways.

I am not a telecom guy -- just a "straight IT" support/development techie, learning telecom via "Trial by fire".

After 3 weeks of struggling, with tremendous support from my Quintum Reseller, here's what I know:

- we have a Norstar PBX
- full PRI (23+1 channels) providing PSTN service
- Quintum Tenor 2400 which sits as a gateway between PSTN and PBX and negotiates all calls

THE PROBLEM:

When callers who have blocked their numbers from appearing on caller ID (and possibly? LD/other callers whose numbers do not match their call ID-displayed numbers) call into our office, the receiver's phone "blips" with a partial ring, then the caller receives a fast busy. Debugging on the Tenor shows that the PBX is dropping the call due to "Invalid information element contents." With the Tenor out of the loop, these calls come through fine.

The Tenor can be configured to pass a preset number for caller ID. When we do this, the following happens:
- we force the caller ID number to a valid 10-digit phone number (e.g.4035551234) and ALL calls, including caller ID-blocked calls, come through.
- we force the caller ID number to nothing (empty string) and NO calls, including calls which display caller ID numbers, come through.
- we force the caller ID number to "4" and ALL calls, including caller ID-blocked calls, come through.

I have been assured by two different "PBX guys" that the Norstar is completely indiscriminate about caller ID. It shouldn't care what it is being given, but I think our tests have proved very clearly that it does care, and if it's getting "nothing" (i.e. the caller ID number is blocked or we force it to an empty string), the PBX is choking on "Invalid Information Element Contents" and not accepting the call.

Any thoughts from someone more knowledgeable on Quintum/PBX/PRI/ISDN/telecom than me?

Get your answer NOW

20091111-EE-VQP-89

Invalid Information Element on calls without caller ID number publishing (Quintum Tenor/Nortel Norstar)

Asked by winterfrost in Voice Over IP

Tags: information, element, invalid

About this solution