Jan 27, 2005 ... tocol such SIP includes a ?rst communication terminal Bob ... message from a
source communication terminal Alice, trans mitting a substitute ...
US 20060013371A1
(19) United States (12) Patent Application Publication (10) Pub. N0.: US 2006/0013371 A1 (43) Pub. Date:
AkiZuki et al. (54) COMMUNICATION SYSTEM BASED ON SIP,
Jan. 19, 2006
Publication Classi?cation
AND COMMUNICATION TERMINAL
(51) Int. Cl. H04M 11/00 H04M 3/42
(75) Inventors: Takeo Akizuki, Osaka (JP); Junichi Morimoto, Osaka (JP); Osamu
(52)
Shimada, Osaka (JP); Kiyoko Yamamoto, Osaka (JP)
(2006.01) (2006.01)
Us. 01. ............................... ..379/100.16;379/201.01
(57)
ABSTRACT
A communication system based on a communication pro tocol such SIP includes a ?rst communication terminal Bob
Correspondence Address:
and a second communication terminal Bill, Wherein the second communication terminal Bill has a unit, When the ?rst communication terminal Bob receives an incoming
KATTEN MUCHIN ROSENMAN LLP 575 MADISON AVENUE
NEW YORK, NY 10022-2585 (US)
message from a source communication terminal Alice, trans
mitting a substitute response control message to the ?rst communication terminal Bob, the ?rst communication ter minal Bob has an incoming message transferring unit, When receiving the substitute response control message, transfer ring the incoming message given from the source terminal
(73) Assignee: FUJITSU LIMITED
(21) Appl. No.:
11/044,469
(22) Filed:
Jan. 27, 2005
Alice to the second communication terminal Bill and has a
response message transmitting unit transmitting to the source communication terminal Alice a response message
containing contact information for specifying the second
(30)
Foreign Application Priority Data
Jul. 14, 2004
(JP) .................................... .. 2004-207690
communication terminal Bill, and a call is established betWeen the source communication terminal Alice and the second communication terminal Bill.
11.12
/101 / 3 /102 3 /105
USER INTERFACE UN 1 T
LINE CONTROL
I NCOM | NG SERVICE CONTROL
3 /1 03 TRANSACT I ON
3 /104 TRANSPORT
Patent Application Publication Jan. 19, 2006 Sheet 1 0f 25
US 2006/0013371 Al
F]G. J Blll
1zw?% Alice III
20
Bob
N11 ~14
'
3o
Patent Application Publication Jan. 19, 2006 Sheet 2 0f 25
US 2006/0013371 A1
FIG. 2
1((31
USER INTERFACE UNIT
11
102“ LINEJCEONTROL 103“ TRANSACTION
104“
3 TRANSPORT
i1
@15
.
11,12
Patent Application Publication Jan. 19, 2006 Sheet 3 0f 25
US 2006/0013371 A1
FIG. 3 ALICE
BOB
BILL
INVITE F1 ——->
180 RINGING F2 , F16
200 OK F17
,
Patent Application Publication Jan. 19, 2006 Sheet 4 0f 25
US 2006/0013371 A1
FIG. 4
/101 /11. 12 USER INTERFACE UNIT
3 3 3 i1
/102 /105 /103 /104
LINE CONTROL
INCOMING SERVICE CONTROL
TRANSACTION
TRANSPORT 15
Patent Application Publication Jan. 19, 2006 Sheet 5 0f 25
ALICE
BOB INVITE
US 2006/0013371 A1
BILL
F1
-———>
180 RINGING F2 CONTACTZBOB
T‘
V
PICKUP F3
200 OK F4 -
INVITE F5
INCOMING SERVICE
5
200 OK F6 200 OK F7 CONTACT BILL
808 COMES TO [FREE] STATUS HEREAT ACK_ F8
y
BIDIRECTIONAL ESTABLISHMENT 0N RTP
BYF F9
I
200 OK F10 (
P
METHOD
Patent Application Publication Jan. 19, 2006 Sheet 6 0f 25
US 2006/0013371 A1
E3Zwomd=x%uQwEo n0wuhgNoTxmz
HSmCQJLEO
omgmw omnp OHS
nco_?mwaum
52‘8z.0Y3wi:u526
8QH520EB1LQJ
Patent Application Publication Jan. 19, 2006 Sheet 8 0f 25
US 2006/0013371 A1
58.ERz2Qmi?S5wB_oXO%EQ
%@Nk wEmom56%v6ooNAAvvu_|_
mew _zoEsmomz
Patent Application Publication Jan. 19, 2006 Sheet 9 0f 25
gmvwHPuAoE._=Qx
Patent Application Publication Jan. 19, 2006 Sheet 11 0f 25
US 2006/0013371 A1
FIG. 1]
ALICE
BOB
BILL
INVITE F1 )
180 RINGING F2 “1
PICKUP F3 4XX NG F4
Patent Application Publication Jan. 19, 2006 Sheet 12 0f 25
US 2006/0013371 A1
FIG. 12 ALICE
BOB
BILL
CAROL
INVITE FI ——->
180 RINGING F2 .|‘__—__
PICKUP F3
.9
200 OK F4 PICKUP F3-2 200 OK F4-2
INVITE F5
4 200 OK F6
,I
200 OK F7
*\
.e_——
RECOGNIZING PICKUP
ACK F8
,
.
FAILURE FROM TIMEOUT
OF WAITING FOR INVITE
BID I REOTIONAL ESTABLISHMENT 0N RTP
BYE F9
I T
200 OK FIO
I
>
Patent Application Publication Jan. 19, 2006 Sheet 13 0f 25
US 2006/0013371 A1
FIG. 13 ALICE
BOB INVITE
BILL
CAROL
F1
————-——->
180 RINGING F2 (—-—_____
PICKUP F3
200 OK F4 PICKUP F3-2 4XX NG F4-2
INVITE F5 200 OK F6
RECOGNIZING PICKUP 200 OK F7
-
FAILURE FROM NG RECEIPT
ACK F8
>
BIDIRECTIONAL ESTABLISHMENT 0N RTP
BYE F9
I
4
200 OK F10
I
>
Patent Application Publication Jan. 19, 2006 Sheet 14 0f 25
ALICE
INvITE
B0B
'
TOM
US 2006/0013371 A1
JERRY
BILL
CAROL
INvITE F1-2
F1
‘180
-
_ RINGING F2
180 RINGING
_F2-2 _
PICKUP F3
200 OK F4-2
>
PICKUP F3 (—
200 OK F4
P
INVITE F5-2
INVITE F5
)
606 MG F6-2
ACK PICKUP F7 (
200 OK F8-2
PICKUP F7
