Standard SIP extensions failing to register on SV9300

[cnyamukondiwa]

Dear Colleagues,
I am having a challenge with standard SIP phones failing to register on SV9300.
The SIP extensions are used for VMS and room status functionalities.
I did a Wireshark capture and I am getting error message 401 for the SIP Register.
The phones have been working before, but for what ever reason they stopped working after there was a commercial power outage.

I have attached the capture for further analysis for anyone who can assist.
Thanking you in advance.

 

[neax]

You must have 3rd Party SIP Station licenses

Programming example:
1001>0000>EECXXX 000-127 one handler will control up to three SIP phones
1004>000>SIP Station number (single line) 1D14>SIP Station Number>0
1D15>SIP Station Number>05
1202>SIP Station Number>AABB the SIP Station in different A Class 15123>AA>0
42>73> PW length default 4 digits. (Password service)
2B00>SIP Station Number>PW