Dng ti khon SIP ca FPT-IVOICE gi di ng v c nh trong nc gi r

Dng ti khon SIP ca FPT-IVOICE gi di ng v c nh trong nc gi rHi, cc bn :

Hin ti, vic kt ni tng i Asterisk vi mng in thoi truyn thng PSTN thng qua cc Card PCI ( port FXO, E1, R2, ISDN) c gii thiu trong cc Entry trc y.

Tuy nhin, phng thc ny cng em li mt s bt li l chi ph u t ban u cho loi Card ny kh cao. Card 4 port FXO ca Digium khong 350USD, ca Sangoma khong 370USD, Card 1 lung E1 ca Digium khong 650USD, l cha tnh n chi ph thu bao hng thng phi tr.

Nu cng ty cc bn cho nhu cu gim chi ph u t ban u v gim chi ph cuc gi ra PSTN ( di ng, c nh trong nc v quc t) th cc bn c th tham kho hng gii quyt sau y :

Cng ty bn c th ng k 01 ti khon DID 08.7300XXXX ca dch v FPT-IVOICE. Ti khon ny c ADD vo Asterisk thng qua tnh nng SIP ACCOUNT trong mc SIP TRUNK ca tng i Asterisk.

Bn vo mc SIP TRUNK ca Asterisk, khai bo cc thng s nh sau :

PEER DETAILS :

disallow=allallow=ulaw&alawauthuser=087300xxxxcontext=from-pstndtmfmode=rfc2283fromuser=087300xxxxfromdomain=sia-HCM1CA146.fpt.netsecret=K4Ixxxxxusername=087300xxxxtype=peer

USER DETAILS :

type=usercontext=from-trunkdisallow=allallow=ulaw&alawauthuser=087300xxxxsecret=K4Idzxxxxinsecure=veryqualify=no

REGISTER STRING :

087300xxxx:K4Idxxxx@sia-HCM1CA146.fpt.net:5060/087300xxx

Sau, bn khai boIncoming Routev Outbound route nhn v gi ra PSTN theo hng ca ti khon SIP Account ca FPT-IVOICE. Ch cn 1 ti khon ny, bn c th nhn hoc gi ra nhiu cuc gi ng thi ( gim chi ph cc thu bao hng thng nu s dng nhiu u s).

V dch v cng thm, th cc ti khon SIP ny c th h tr FAX, Caller ID nhn dng s cuc gi n rt tt. ng dng ny c thc hin hon ton qua VOIP nn khc phc c cc trng hp Asterisk ko nhn c tn hiu DTMF CallerID ca cc tng i PSTN truyn thng ( ti mt s qun/huyn, tone CallerID cung cp l DTMF th Asterisk dng sn ko th Detect c ).

Nu bn c nhu cu dng cc DID/CID Routing cc cuc gi vo tng i Asterisk th cng n gin v tin li.