3cx CTI url no work with t20

[bluetel]

Hi

we try to use CTi with yealink t20 but it's no work

here the log

Jul 16 11:23:58 syslog: Action URI: IP(192.168.1.137) Action(key=SPEAKER;9;9;9;ENTER)
Jul 16 11:23:58 Log [319]: CUIT<6+info > CAccessManager::ProcessMsg:0x30017, lParam:0
Jul 16 11:23:58 Log [319]: CUIT<6+info > Allow to Remote Control !
Jul 16 11:23:58 Log [319]: URIL<6+info > ParseURI[key=SPEAKER;9;9;9;ENTER]
Jul 16 11:23:58 Log [319]: URIL<4+warnin> not found cmd!

nothing happend on phone

here the config

Sep 5 00:00:08 LLDP[317]: LLDP<6+info > HwVersion = 7, PlatForm = 0
Sep 5 00:00:08 LLDP[317]: LLDP<6+info > szHwVersion = 7.0.0.60, manufacturer = Yealink
Sep 5 00:00:08 LLDP[317]: LLDP<6+info > ModelName = SIP-T20P, SystemName = YEALINK_SIP337_IPPHONE
Sep 5 00:00:08 LLDP[317]: LLDP<6+info > Description = IP Phone, FirmwareVision = 9.71.0.224

tks advance for your help

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It only work if phone and computer are on the same network, but if phone is on 192.168.42.x and computer 192.168.1.x it's not work.
compuer can ping phone, and phone receive speaker commande but no execute it.

[Yealink Support]

Hi bluetel,

1.Please upgrade the firmware firstly and try again. You can get the firmawre from here.>>9.72.0.30<<

2.Please try Action URI in the broswer. You can refer to the guide. Page begin at 176.

>>guide<<

thanks