FAQ.caslavka.cz - unlock TalkPro R-130 (B-200) for any SIP provider

1) in menu "UPGRADE TO SIP":
[SET/OK] -> Advced Settings -> Upgrade To SIP
(wait for firmware upgrade)

2) set web admin password
[SET/OK] -> Advced Settings -> Acces code

3) get official talkpro firmware
R-130 = ftp://KE_SIP:voip7788@update.konceptusa.com/Koncept.bin
B-200 = ftp://kta1000:voip7788@update.konceptusa.com/Koncept.bin

4) in HEX editor change all occurrences of:

R-130 = sip99.talkpro.net
73 69 70 39 39 2e 74 61 6c 6b 70 72 6f 2e 6e 65 74

B-200 = usgkaa01.talkpro.net
75 73 67 6b 61 61 30 31 2e 74 61 6c 6b 70 72 6f 2e 6e 65 74

to another SIP gw - for example to:

hlas8.802.cz
68 6c 61 73 38 2e 38 30 32 2e 63 7a 00 00 00 00 00

5) upgrade new firmware via webadmin

6) reset to factory settings
[SET/OK] -> Setting Options -> Restore Factory

7) set web admin password / same as 2) /

8) set user id, pass, ... via webadmin

DONE!