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0	Table
1	SBC Core Functional Differences

Feature	SBC 5000 Series (excluding SBC 5400)	SBC 5400	SBC 7000 Series	Reference
ePSX integration				See Routing and Policy Management,
T.38 (V3/V0) pass-through fax calls G.711–T.38 (V3) fax transcoded calls T.38 (V3)–T.38 (V3) fax transcoded calls				See Fax Over IP.
GW-GW signaling				See Configuring Gateways (Features Guide), Zone - Gw Trunk Group (EMA), zone gwTrunkGroup - CLI.
Link Detection: Physical link detection ICMP Ping ARP Probing				See SBC Redundancy for details.
Maximum number of call legs	1/2 of UDP media port range	1/2 of UDP media port range	Determined by:

Based on

and

See

Two examples assuming 64,000 media port range:

See

(see SBC Provisioning Limits for details).
SIP Trunk Group profiles: 1K 4K 4K/10K 4K/40K	Maximum number varies based on: server hardware where VM is deployed VM vCPUs/memory configuration.	For example, SBC 7000 4K/40K profile is comprised of: 4,000 instances each of Address Contexts, Zones, IP Interface Groups, IP Interfaces, Signaling Ports; 40,000 Trunk Groups See SBC Provisioning Limits for details.
Standby packet port support		See SBC Redundancy for details.
H.235 media encryption

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