• Cisco 3945 ISR Voice Bundle Router with Silver Accents
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Cisco

Cisco C3945-CME-SRST/K9 | ISR 3945 Voice Bundle | CME/SRST 25, CUBE 25, PVDM3-64 | SD-WAN: No | LTE: Optional via module

C3945-CME-SRST/K9

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Description

Unified communications-focused ISR bundle for branch voice resiliency and SIP trunking. Includes PVDM3-64 DSP resources, CME/SRST for up to 25 users, and CUBE for up to 25 concurrent sessions—ideal for survivable branch telephony and SIP interop.

Features

- Survivable branch telephony with SRST for 25 users
- On-box call control via CME for simplified deployments
- SIP trunking and interworking via CUBE with 25 sessions
- PVDM3-64 DSP resources for conferencing and transcoding
- Flexible PSTN options with modular voice/WAN interfaces
- Comprehensive QoS and security for voice/video traffic

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Platform: ISR 3945 (Integrated Services Router G2)
- Voice DSP: PVDM3-64 included
- CME/SRST: FL-CME-SRST-25 (up to 25 users) included
- Session border: FL-CUBE25 (up to 25 sessions) included
- Voice protocols: SIP, SCCP, MGCP, H.323
- Security: SIP TLS and SRTP support (license/IOS dependent)
- Gateway services: SIP trunking, transcoding, DTMF interworking
- PSTN options: Add VWIC/EHWIC for T1/E1/FXO/FXS connectivity
- LAN/WAN: Integrated Gigabit Ethernet ports (model dependent)
- Call control: On-box CME/SRST or register to enterprise call control
- Management: IOS CLI/SSH, SNMP, syslog
- SD-WAN: Not natively supported
- LTE/Cellular: Optional via EHWIC cellular modules
- QoS: Enterprise-grade QoS for voice/video traffic

FAQs

Q: How many phones/users does the included CME/SRST license support?
A: The included FL-CME-SRST-25 license supports up to 25 users for CME/SRST.

Q: How many SIP sessions are enabled with CUBE?
A: FL-CUBE25 enables up to 25 concurrent CUBE sessions; higher tiers require additional licenses.

Q: Can this system connect to the PSTN?
A: Yes, add appropriate VWIC/EHWIC modules (e.g., T1/E1, FXO/FXS) for PSTN connectivity.

Q: Is SD-WAN supported?
A: No, this ISR G2 platform is not intended for IOS XE SD-WAN operation.

Q: Can LTE be added?
A: Yes, LTE/3G connectivity can be added using compatible EHWIC cellular modules.

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