Cisco Cisco Packet Data Gateway (PDG)

Table 4: EPS Session Management Timers – Network Side

Retransmission of
the same message

• ACTIVATE DEFAULT

EPS BEARER
CONTEXT ACCEPT
received or

• ACTIVATE DEFAULT

EPS BEARER
CONTEXT REJECT
received or

• ACTIVATE

DEDICATED EPS
BEARER CONTEXT
ACCEPT received or

• ACTIVATE

DEDICATED EPS
BEARER CONTEXT
REJECT received

• ACTIVATE

DEFAULT
EPS BEARER
CONTEXT
REQUEST sent

• ACTIVATE

DEDICATED
EPS BEARER
CONTEXT
REQUEST sent

BEARER
CONTEXT
ACTIVE
PENDING

T3485

Retransmission of
MODIFY EPS
BEARER
CONTEXT
REQUEST

• MODIFY EPS BEARER

CONTEXT ACCEPT
received or

• MODIFY EPS BEARER

CONTEXT REJECT
received

MODIFY EPS
BEARER
CONTEXT
REQUEST sent

BEARER
CONTEXT
MODIFY
PENDING

T3486

Retransmission of
ESM
INFORMATION
REQUEST on 1st
and 2nd expiry
only

ESM INFORMATION
RESPONSE received

ESM
INFORMATION
REQUEST sent

PROCEDURETRANSACTION
PENDING

T3489

Retransmission of
DEACTIVATE
EPS BEARER
CONTEXT
REQUEST

DEACTIVATE EPS BEARER
CONTEXT ACCEPT received

DEACTIVATE EPS
BEARER
CONTEXT
REQUEST sent

BEARER
CONTEXT
INACTIVE
PENDING

T3495

NOTE 1: Typically, the procedures are aborted on the fifth expiry of the relevant timer. Exceptions are
described in the corresponding procedure description.