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ok dok thanks a lot for the usefull info.....ill keep i touch

hey dok even we suggest the right specification they didnt listen to the technician here.....might as well ignore everything....because they think,they think they are the best on it....by the way the pabx system originally came from korean and the user is korean also....

hey dok i look on company file that the one they been sell (ldk 300) the impedance of this is 300ohms only compare to the type approval here in the philippines which is 600ohms....since the CO voltage have a standard 48v supply to all subscriber,is there any relevance?

im from philippines dok.....the korean who supply it doesnt give me an english manual from programming and its features thats why it gives me a lot of headache....thanks to this website and to you dok

thank you for response,,really thankful....ill will try everything you said.... god bless

sorry about that dok...ok ill try to suggest your recommendation....thanks

yes dok im using a analog lines....my client have 14 lines using a pilot number....the clcob doesn`t last long....

it doesn`t last long the clcob card on ldk 300....in a matter of months there is always broken port....is there any chance that the analog line does the effect or the vmib/aa? really cost my client a lot....needs some advice on this...thanks

im having difficulties on AA of ldk 300,i experience this problem when the voice announce playing suddenly has a gap period in a matter of 5 seconds then play again but not in proper announcement.....i check 8 channel of vmib card,its not stabalize on 1 channel only....sometimes on channel 2...

thanks doctor

please help me to program isdn card in ldk 300...where can i get uses manual or programming manual...thanks