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T58A SIP to Teams firmware then back to SIP, Failed
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Scottie Offline
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Post: #1
T58A SIP to Teams firmware then back to SIP, Failed
Hi Team, I Need help.

I have a T58A with SIP rom that I flashed to the Teams rom for testing, no problem every thing worked.

I am done with testing and want to go back to SIP firmware however phone is rejecting firmware even via TFTP/USB flash.

I have then attempted to use TFTP recovery files, That I have from my distributor the .bin and .rfs files along with the rom, but this also fails.

I presume the fail is because the phone thinks the firmware is too large. the TFTP response from peer (being the phone) is "file too large" and rejects it, it will download the .bin and .rfs files no problem.
10-04-2019 04:01 AM
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Scottie Offline
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Post: #2
RE: T58A SIP to Teams firmware then back to SIP, Failed
Bump for support !!! ..... :-( no Yealink love ?
10-23-2019 08:28 AM
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Walter_Yealink Offline
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Post: #3
RE: T58A SIP to Teams firmware then back to SIP, Failed
(10-23-2019 08:28 AM)Scottie Wrote:  Bump for support !!! ..... :-( no Yealink love ?
Hi Scottie,
This is Walter from Yealink Team. Nice to work with you.

We have made some restrictions on the downgrading of SFB to SIP Phone. You need to import sip license before downgrading. Can you provide the MAC of your phone and your Email address? We will apply for a license for you
Any update, please feel free to let me know.

Best Regards
Walter
10-24-2019 03:21 AM
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Scottie Offline
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Post: #4
RE: T58A SIP to Teams firmware then back to SIP, Failed
Thanks,

The MAC = 805EC03C6DC4
EMAIL, scott@nurvcloud.io

thanks !

(10-24-2019 03:21 AM)Walter_Yealink Wrote:  
(10-23-2019 08:28 AM)Scottie Wrote:  Bump for support !!! ..... :-( no Yealink love ?
Hi Scottie,
This is Walter from Yealink Team. Nice to work with you.

We have made some restrictions on the downgrading of SFB to SIP Phone. You need to import sip license before downgrading. Can you provide the MAC of your phone and your Email address? We will apply for a license for you
Any update, please feel free to let me know.

Best Regards
Walter
10-24-2019 03:51 AM
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stefanprasch Offline
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Post: #5
RE: T58A SIP to Teams firmware then back to SIP, Failed
Can you also send me a license please.

we have the same problem.


001565F05886

info@stefanprasch.com

Thanks

Best regards Stefan
10-24-2019 09:20 AM
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Scottie Offline
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Post: #6
RE: T58A SIP to Teams firmware then back to SIP, Failed
Hi, I am still waiting I have not seen any thing come in ??
10-28-2019 03:57 AM
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Scottie Offline
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Post: #7
RE: T58A SIP to Teams firmware then back to SIP, Failed
(10-24-2019 03:21 AM)Walter_Yealink Wrote:  
(10-23-2019 08:28 AM)Scottie Wrote:  Bump for support !!! ..... :-( no Yealink love ?
Hi Scottie,
This is Walter from Yealink Team. Nice to work with you.

We have made some restrictions on the downgrading of SFB to SIP Phone. You need to import sip license before downgrading. Can you provide the MAC of your phone and your Email address? We will apply for a license for you
Any update, please feel free to let me know.

Best Regards
Walter

Still waiting for the e-mail? No love? :-(
11-04-2019 08:21 AM
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