precoislen
Member
Can an IMBE vocoder be used on an Motorola trunking system?
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IMBE Vocoder & Motorola Systems
- Thread starter precoislen
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N_Jay
Guest
precoislen said:
If equiped with P25 Channels, then those channels will carry P25 voice (IMBE).
If it is an Astro only system (Older proprietary VSEP encoded voice) then I am not sure if it will pass P25 on a channel.
Remember IMBE is only part of the P25 set of standards.
Pro-Voice (M/A-COM uses IMBE, but is NOT P25, and will not work on a Motorola P25 (or any other Motorola) system.
precoislen
Member
N_Jay,
That pretty well answers my question. Thanks.
M/A Comm systems with IMBE Vocoder are at least an APCO P16 standard, correct?
That pretty well answers my question. Thanks.
M/A Comm systems with IMBE Vocoder are at least an APCO P16 standard, correct?
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N_Jay
Guest
precoislen said:
APCO 16 is a set of minimums functions for a Public Safety trunked system. It has no specific technical requirments, and provides no inter-vendor interoperability or compatability.
Project 25 is a technical standard that does provide interoperability and compatability. It however does not specify any minimum set of features.
Ther are VERY different issues.
PJH
Member
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- Aug 23, 2002
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MA/COM's version of IMBE carry's some additional features not used/supported by the "offical" IMBE specs. However, rumor has it that the newer MA/COM radios are backwards compatiable with the P25 standard. I haven't checked into it yet, but several sources are pointing in that direction.
Orginal Astro systems used the V setup. This is 1994ish. I believe that only 2-3 agencies still use VSLEP. Basically everyone else is using the current Astro (IMBE) offerings so I wouldn't worry about that. If its digital and Motorola, its IMBE. If its digital and MA/COM it can be anything else (AGEIS, ProVoice, etc)
Orginal Astro systems used the V setup. This is 1994ish. I believe that only 2-3 agencies still use VSLEP. Basically everyone else is using the current Astro (IMBE) offerings so I wouldn't worry about that. If its digital and Motorola, its IMBE. If its digital and MA/COM it can be anything else (AGEIS, ProVoice, etc)
precoislen
Member
Okay. Thanks for the additional information PJH 
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