Chapter 2: Webex Calling Design -- 2.2 Location Design¶
2.2 Location Design¶
2.2.1 Location Hierarchy Overview¶
+-----------------------------------------------------------------------------+
| ABHAVTECH WEBEX CALLING LOCATION HIERARCHY |
+-----------------------------------------------------------------------------+
| |
| +---------------------+ |
| | ORGANIZATION | |
| | Abhavtech.com | |
| | Home: APAC | |
| +----------+----------+ |
| | |
| +---------------------------+---------------------------= |
| | | | |
| v v v |
| +---------------+ +---------------+ +---------------+ |
| | INDIA (APAC) | | EMEA | | AMERICAS | |
| | 7 Locations | | 2 Locations | | 2 Locations | |
| | 2,400 Users | | 800 Users | | 750 Users | |
| +-------+-------+ +-------+-------+ +-------+-------+ |
| | | | |
| +-----+-----= +-----+-----= +-----+-----= |
| | | | | | | |
| v v v v v v |
| +------+ +------+ +------+ +------+ +------+ +------+ |
| |Mumbai| |Branch| |London| |Frank-| |New | |Dallas| |
| |HQ | |Sites | | | |furt | |Jersey| | | |
| |1,200 | |1,200 | |520 | |280 | |480 | |270 | |
| +------+ +------+ +------+ +------+ +------+ +------+ |
| |
| Note: Branch Sites include Chennai (450), Bangalore (180), Delhi (150), |
| Noida (120), Pune (100), Hyderabad (200). WFH users: 250 separate. |
| |
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2.2.2 India Locations Configuration¶
Mumbai HQ (ABV-IN-MUM)¶
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| LOCATION: MUMBAI HQ (ABV-IN-MUM) |
+-----------------------------------------------------------------------------+
| |
| GENERAL SETTINGS |
| ================ |
| Location Name: ABV-Mumbai-HQ |
| Site Code: 81 |
| Address: Bandra Kurla Complex, Mumbai 400051, India |
| Timezone: Asia/Kolkata (GMT+5:30) |
| Language: English (India) |
| Announcement Language: en_IN |
| |
| USER ALLOCATION |
| =============== |
| Total Users: 1,200 |
| Enterprise Users: 1,080 |
| Contact Center Agents: 120 (Phase 2 - remain on UCCX until migration) |
| Phone Devices: 850 |
| Soft Client Only: 350 |
| |
| EXTENSION RANGE |
| =============== |
| Extension Length: 4 digits |
| Extension Range: 1000-1999 |
| Steering Digit: 8 (for ESN dialing) |
| Outside Access Code: 9 |
| |
| PSTN CONFIGURATION |
| ================== |
| PSTN Type: Premises-based (Local Gateway) |
| LGW Address: lgw-mumbai-01.abhavtech.com |
| LGW HA Pair: lgw-mumbai-02.abhavtech.com |
| Trunk Type: Certificate-based registration |
| Route Group: RG-Mumbai-LGW |
| |
| INDIA COMPLIANCE |
| ================ |
| Zone: Zone-Mumbai-Circle |
| Trusted Network Edge: Mumbai-Edge (103.15.XX.XXX/24) |
| Telecom Circle: Mumbai |
| PSTN Provider: Tata Communications |
| |
| DID INVENTORY |
| ============= |
| Main Number: +91-22-4960-0000 |
| DID Range: +91-22-4960-0001 to +91-22-4960-1999 |
| Backup DIDs: +91-22-4960-0000 to +91-22-6789-0499 (Airtel) |
| Toll-Free: 1800-266-1000, 1800-266-1001 (shared) |
| Total DIDs: 2,500 |
| |
| FEATURES |
| ======== |
| Main Auto Attendant: AA-Mumbai-Main |
| Hunt Groups: 4 (Reception, IT, HR, Finance) |
| Call Queues: 3 (Support, Sales, General) |
| Call Park Extensions: 10 (#7810-#7819) |
| Pickup Groups: 8 (department-based) |
| |
| EMERGENCY SERVICES |
| ================== |
| Emergency Number: 100 (Police), 101 (Fire), 102 (Ambulance) |
| Callback Number: +91-22-4960-0000 |
| Address Validation: Manual (E-CNAM not available in India) |
| |
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India Branch Sites Summary¶
| Site Code | Location | Users | Phones | Extension Range | Telecom Circle | Zone | LGW |
|---|---|---|---|---|---|---|---|
| 81 | Mumbai HQ | 1,200 | 850 | 1000-2199 | Mumbai | Zone-Mumbai | lgw-mumbai-01/02 |
| 82 | Chennai | 450 | 320 | 2200-2649 | Tamil Nadu | Zone-TamilNadu | lgw-chennai-01/02 |
| 83 | Bangalore | 180 | 120 | 2650-2829 | Karnataka | Zone-Karnataka | lgw-bangalore-01 |
| 84 | Delhi | 150 | 100 | 2830-2979 | Delhi | Zone-Delhi | lgw-delhi-01 |
| 85 | Noida | 120 | 80 | 2980-3099 | UP West | Zone-UPWest | lgw-noida-01 |
| 86 | Pune | 100 | 60 | 3100-3199 | Mumbai* | Zone-Mumbai | lgw-mumbai-01/02 |
| 87 | Hyderabad | 200 | 140 | 3200-3399 | AP/Telangana | Zone-APTelangana | lgw-hyderabad-01 |
Note: Pune is in Maharashtra circle, shares Zone and LGW with Mumbai
India Location - Network Details¶
| Location | Site Code | Trusted Edge IP | Internal Subnet | MPLS Circuit | Internet Bandwidth |
|---|---|---|---|---|---|
| Mumbai HQ | 81 | 103.15.XX.XXX/24 | 10.1.0.0/16 | 500 Mbps | 1 Gbps DIA (redundant) |
| Chennai | 82 | 103.25.XX.XXX/24 | 10.2.0.0/16 | 200 Mbps | 500 Mbps DIA (redundant) |
| Bangalore | 83 | 103.20.XX.XXX/24 | 10.3.0.0/20 | - | 200 Mbps DIA (+ LTE) |
| Delhi | 84 | 103.30.XX.XXX/24 | 10.4.0.0/20 | - | 200 Mbps DIA (+ LTE) |
| Noida | 85 | 103.35.XX.XXX/24 | 10.5.0.0/20 | - | 100 Mbps DIA (+ LTE) |
| Pune | 86 | 103.15.XX.XXX/24* | 10.6.0.0/20 | 50 Mbps | 100 Mbps DIA |
| Hyderabad | 87 | 103.40.XX.XXX/24 | 10.7.0.0/20 | - | 200 Mbps DIA (+ LTE) |
Pune shares Mumbai's Trusted Edge through MPLS backhaul
2.2.3 EMEA Locations Configuration¶
London (ABV-UK-LON)¶
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| LOCATION: LONDON (ABV-UK-LON) |
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| |
| GENERAL SETTINGS |
| ================ |
| Location Name: ABV-London |
| Site Code: 91 |
| Address: Canary Wharf, London E14, United Kingdom |
| Timezone: Europe/London (GMT/BST) |
| Language: English (UK) |
| Announcement Language: en_GB |
| |
| USER ALLOCATION |
| =============== |
| Total Users: 520 |
| Phone Devices: 380 |
| Soft Client Only: 140 |
| |
| EXTENSION RANGE |
| =============== |
| Extension Length: 4 digits |
| Extension Range: 4000-4519 |
| Steering Digit: 8 (for ESN dialing) |
| Outside Access Code: 9 |
| |
| PSTN CONFIGURATION |
| ================== |
| PSTN Type: Cloud Connected PSTN (CCPP) |
| CCPP Provider: IntelePeer UK |
| Route Group: RG-UK-CCPP |
| |
| UK COMPLIANCE |
| ============= |
| Calling Region: UK (separate from EU post-Brexit) |
| Data Center: London + Manchester (HA pair) |
| Ofcom Registration: Handled by CCPP provider |
| UK GDPR: Data processed in UK DCs only |
| |
| DID INVENTORY |
| ============= |
| Main Number: +44-20-7946-0000 |
| DID Range: +44-20-7946-0001 to +44-20-7946-0799 |
| Toll-Free: +44-800-123-4567 |
| Total DIDs: 800 |
| |
| FEATURES |
| ======== |
| Main Auto Attendant: AA-London-Main |
| Hunt Groups: 2 (Reception, Sales) |
| Call Queues: 1 (UK Support) |
| Call Park Extensions: 5 (#7910-#7914) |
| |
| EMERGENCY SERVICES |
| ================== |
| Emergency Number: 999 / 112 |
| Callback Number: +44-20-7946-0000 |
| Address Validation: Automatic (UK E-CNAM) |
| |
| [!]️ CRITICAL: UK is a SEPARATE Webex Calling region from EU |
| London users MUST be assigned to UK region, not EU |
| |
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Frankfurt (ABV-EU-FRA)¶
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| LOCATION: FRANKFURT (ABV-EU-FRA) |
+-----------------------------------------------------------------------------+
| |
| GENERAL SETTINGS |
| ================ |
| Location Name: ABV-Frankfurt |
| Site Code: 92 |
| Address: Westend, Frankfurt 60325, Germany |
| Timezone: Europe/Berlin (CET/CEST) |
| Language: German |
| Announcement Language: de_DE |
| |
| USER ALLOCATION |
| =============== |
| Total Users: 280 |
| Phone Devices: 200 |
| Soft Client Only: 80 |
| |
| EXTENSION RANGE |
| =============== |
| Extension Length: 4 digits |
| Extension Range: 4520-4799 |
| Steering Digit: 8 (for ESN dialing) |
| Outside Access Code: 0 (German standard) |
| |
| PSTN CONFIGURATION |
| ================== |
| PSTN Type: Cloud Connected PSTN (CCPP) |
| CCPP Provider: IntelePeer EU |
| Route Group: RG-EU-CCPP |
| |
| GERMANY/EU COMPLIANCE |
| ===================== |
| Calling Region: EU |
| Data Center: Frankfurt + Amsterdam (HA pair) |
| BSI C5: Webex certified (17 domains, 114 requirements) |
| EU Cloud CoC: Level 3 compliance |
| GDPR: Full compliance, EU data processing only |
| BaFin: Not applicable (Abhavtech not financial sector) |
| |
| DID INVENTORY |
| ============= |
| Main Number: +49-69-8888-0000 |
| DID Range: +49-69-8888-0001 to +49-69-8888-0499 |
| Toll-Free: +49-800-123-4567 (German) |
| Total DIDs: 500 |
| |
| FEATURES |
| ======== |
| Main Auto Attendant: AA-Frankfurt-Main (German prompts) |
| Hunt Groups: 2 (Reception, Support) |
| Call Queues: 1 (EU Support) |
| Call Park Extensions: 5 (#7920-#7924) |
| |
| EMERGENCY SERVICES |
| ================== |
| Emergency Number: 112 (EU standard) |
| Callback Number: +49-69-8888-0000 |
| Address Validation: Automatic (German E-CNAM) |
| |
+-----------------------------------------------------------------------------+
2.2.4 Americas Locations Configuration¶
| Setting | New Jersey (ABV-US-NJ) | Dallas (ABV-US-DAL) |
|---|---|---|
| Site Code | 93 | 94 |
| Address | Newark, NJ 07102 | Dallas, TX 75201 |
| Timezone | America/New_York | America/Chicago |
| Users | 480 | 270 |
| Phones | 350 | 180 |
| Extension Range | 5000-5479 | 5480-5749 |
| OAC | 9 | 9 |
| PSTN Type | CCPP | CCPP |
| CCPP Provider | IntelePeer US | IntelePeer US |
| Main Number | +1-201-555-0000 | +1-214-555-0000 |
| DIDs | 800 | 500 |
| Toll-Free | +1-800-555-0123 (shared) | Shared with NJ |
| Emergency | 911 (E911 enabled) | 911 (E911 enabled) |
| Hunt Groups | 2 | 1 |
| Call Queues | 1 | 1 |
2.2.5 Remote/WFH Users Configuration¶
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| REMOTE/WFH USERS - WEBEX CALLING DESIGN |
+-----------------------------------------------------------------------------+
| |
| TOTAL WFH USERS: 250 (globally distributed) |
| |
| +-------------------------------------------------------------------+ |
| | Region | Users | PSTN Solution | Rationale | |
| +-------------+-------+---------------------+-----------------------+ |
| | India WFH | 150 | ITN (9XXXXXXXXX) | Toll bypass exempt | |
| | EMEA WFH | 60 | Standard (CCPP) | No toll bypass rules | |
| | Americas WFH| 40 | Standard (CCPP) | No toll bypass rules | |
| +-------------+-------+---------------------+-----------------------+ |
| |
| INDIA WFH USERS (ITN Solution) |
| ============================== |
| |
| Why ITN for India WFH? |
| ----------------------- |
| * DoT regulations require PSTN calls to egress from user's telecom circle|
| * WFH users may work from ANY location in India |
| * Traditional Zone/Edge enforcement would BLOCK their PSTN calls |
| * ITN (Internet Telephony Numbers) are EXEMPT from toll bypass rules |
| |
| ITN Configuration: |
| ------------------ |
| Number Format: 9XXXXXXXXX (10-digit, starts with 9) |
| Provider: Tata Communications |
| Assignment: Per-user ITN (no shared numbers) |
| Range: +91-9XXXXXXXXX (150 numbers) |
| Restrictions: Cannot call when outside India |
| |
| ITN Assignment Matrix: |
| +------------------+-------------+-------------------------------------= |
| | User Location | ITN Range | Notes | |
| +------------------+-------------+-------------------------------------+ |
| | Mumbai WFH | 9XX-1000-XX | Primary allocation | |
| | Other India WFH | 9XX-1100-XX | Secondary allocation | |
| +------------------+-------------+-------------------------------------+ |
| |
| EMEA/AMERICAS WFH |
| ================ |
| * No special PSTN restrictions |
| * Assigned to parent office location |
| * Uses standard CCPP numbers |
| * Full Webex Calling features |
| |
| DEVICE STRATEGY FOR WFH |
| ======================== |
| Primary: Webex App (desktop/mobile) |
| Secondary: Cisco MPP phone (optional, shipped to home) |
| Headset: Cisco 730 or Jabra Evolve2 (provided) |
| |
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