diff --git a/sessions/apis.go b/sessions/apis.go
index 16e0335e1..7e873db68 100644
--- a/sessions/apis.go
+++ b/sessions/apis.go
@@ -920,6 +920,9 @@ func (sS *SessionS) BiRPCv1ProcessEvent(ctx *context.Context,
 			if authIP, err = sS.ipsAuthorize(ctx, cgrEv); err != nil {
 				return
 			}
+			if apiRply.IPsAllocation == nil {
+				apiRply.IPsAllocation = make(map[string]*utils.AllocatedIP)
+			}
 			apiRply.IPsAllocation[runID] = authIP
 		}
 
diff --git a/sessions/sessions_processeventips_it_test.go b/sessions/sessions_processeventips_it_test.go
new file mode 100644
index 000000000..f6196b6c7
--- /dev/null
+++ b/sessions/sessions_processeventips_it_test.go
@@ -0,0 +1,295 @@
+//go:build integration
+// +build integration
+
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>
+*/
+
+package sessions
+
+import (
+	"testing"
+	"time"
+
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/utils"
+
+	"github.com/cgrates/birpc/context"
+)
+
+func TestSessionSv1ProcessEventIPsAuthorize(t *testing.T) {
+	var dbcfg engine.DBCfg
+	switch *utils.DBType {
+	case utils.MetaInternal:
+		dbcfg = engine.InternalDBCfg
+	case utils.MetaRedis:
+		dbcfg = engine.RedisDBCfg
+	case utils.MetaMySQL:
+		dbcfg = engine.MySQLDBCfg
+	case utils.MetaMongo:
+		dbcfg = engine.MongoDBCfg
+	case utils.MetaPostgres:
+		dbcfg = engine.PostgresDBCfg
+	default:
+		t.Fatal("unsupported dbtype value")
+	}
+
+	ng := engine.TestEngine{
+		ConfigJSON: `{
+"logger": {
+	"level": 7
+},
+"sessions": {
+	"enabled": true,
+	"ips_conns": ["*localhost"]
+},
+"ips": {
+	"enabled": true,
+	"store_interval": "-1",
+	"indexed_selects": true,
+	"string_indexed_fields": ["*req.Account"]
+},
+"admins": {
+	"enabled": true
+}
+}`,
+		TpFiles: map[string]string{
+			utils.IPsCsv: `#Tenant[0],ID[1],FilterIDs[2],Weights[3],TTL[4],Stored[5],PoolID[6],PoolFilterIDs[7],PoolType[8],PoolRange[9],PoolStrategy[10],PoolMessage[11],PoolWeights[12],PoolBlockers[13]
+cgrates.org,IPs1,*string:~*req.Account:1001,;10,1s,true,,,,,,,,
+cgrates.org,IPs1,,,,,POOL1,*string:~*req.Destination:2001,*ipv4,172.16.1.1/32,*ascending,alloc_success,;15,`,
+		},
+		DBCfg:    dbcfg,
+		Encoding: *utils.Encoding,
+		// LogBuffer: new(bytes.Buffer),
+	}
+
+	// t.Cleanup(func() {
+	// 	if ng.LogBuffer != nil {
+	// 		fmt.Println(ng.LogBuffer)
+	// 	}
+	// })
+
+	client, _ := ng.Run(t)
+	time.Sleep(100 * time.Millisecond)
+
+	t.Run("noFlags", func(t *testing.T) {
+		var rply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant:  "cgrates.org",
+				ID:      "noFlags",
+				APIOpts: map[string]any{},
+				Event: map[string]any{
+					utils.AccountField: "1001",
+					utils.Destination:  "2001",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &rply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed without IPs flags: %v", err)
+		}
+
+		if len(rply.IPsAllocation) > 0 {
+			t.Errorf("IPsAllocation should be empty without IPs flags, got: %v",
+				rply.IPsAllocation)
+		}
+	})
+
+	t.Run("noAuthMatchingProfile", func(t *testing.T) {
+		var reply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant: "cgrates.org",
+				ID:     "NoAuthMatchingProfile",
+				APIOpts: map[string]any{
+					utils.MetaIPs: true,
+				},
+				Event: map[string]any{
+					utils.AccountField: "1001",
+					utils.Destination:  "2001",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &reply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed: %v", err)
+		}
+
+		if len(reply.IPsAllocation) > 0 {
+			t.Errorf("IPsAllocation should be empty without authorization flags, got: %v",
+				reply.IPsAllocation)
+		}
+	})
+
+	t.Run("flagsIpsAuthorize", func(t *testing.T) {
+		var rply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant: "cgrates.org",
+				ID:     "flagsIpsAuthorize",
+				APIOpts: map[string]any{
+					utils.MetaIPs:             true,
+					utils.MetaAuthorize:       true,
+					utils.OptsIPsAllocationID: "testallocid11",
+				},
+				Event: map[string]any{
+					utils.AccountField: "1001",
+					utils.Destination:  "2001",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &rply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed with *ips + *authorize flags: %v", err)
+		}
+
+		if rply.IPsAllocation == nil {
+			t.Fatal("IPsAllocation should not be nil with *ips + *authorize flags")
+		}
+
+		authorizedIP, exists := rply.IPsAllocation[utils.MetaDefault]
+		if !exists {
+			t.Fatal("No IP authorization for *default runID with *ips + *authorize flags")
+		}
+
+		if authorizedIP.Address.String() != "172.16.1.1" {
+			t.Errorf("Authorized IP = %s, want 172.16.1.1", authorizedIP.Address.String())
+		}
+		if authorizedIP.ProfileID != "IPs1" {
+			t.Errorf("ProfileID = %s, want IPs1", authorizedIP.ProfileID)
+		}
+		if authorizedIP.PoolID != "POOL1" {
+			t.Errorf("PoolID = %s, want POOL1", authorizedIP.PoolID)
+		}
+	})
+
+	t.Run("ipsAuthorizeFlag", func(t *testing.T) {
+		var rply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant: "cgrates.org",
+				ID:     "ipsAuthorizeFlag",
+				APIOpts: map[string]any{
+					utils.MetaIPsAuthorizeCfg: true,
+					utils.OptsIPsAllocationID: "testallocid101",
+				},
+				Event: map[string]any{
+					utils.AccountField: "1001",
+					utils.Destination:  "2001",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &rply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed with *ipsAuthorize flag: %v", err)
+		}
+
+		if rply.IPsAllocation == nil {
+			t.Fatal("IPsAllocation should not be nil with *ipsAuthorize flag")
+		}
+
+		authorizedIP, exists := rply.IPsAllocation[utils.MetaDefault]
+		if !exists {
+			t.Fatal("No IP authorization for *default runID with *ipsAuthorize flag")
+		}
+
+		if authorizedIP.Address.String() != "172.16.1.1" {
+			t.Errorf("Authorized IP = %s, want 172.16.1.1", authorizedIP.Address.String())
+		}
+		if authorizedIP.ProfileID != "IPs1" {
+			t.Errorf("ProfileID = %s, want IPs1", authorizedIP.ProfileID)
+		}
+		if authorizedIP.PoolID != "POOL1" {
+			t.Errorf("PoolID = %s, want POOL1", authorizedIP.PoolID)
+		}
+	})
+
+	t.Run("AuthMatchPrf", func(t *testing.T) {
+		var rply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant: "cgrates.org",
+				ID:     "AuthMatchPrf",
+				APIOpts: map[string]any{
+					utils.MetaIPsAuthorizeCfg: true,
+					utils.OptsIPsAllocationID: "testallocid21",
+				},
+				Event: map[string]any{
+					utils.AccountField: "1001",
+					utils.Destination:  "2001",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &rply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed: %v", err)
+		}
+
+		if rply.IPsAllocation == nil {
+			t.Fatal("IPsAllocation should not be nil for matching profile")
+		}
+
+		authorizedIP, exists := rply.IPsAllocation[utils.MetaDefault]
+		if !exists {
+			t.Fatal("No IP authorization found for matching profile")
+		}
+
+		if authorizedIP.ProfileID != "IPs1" {
+			t.Errorf("ProfileID = %s, want IPs1", authorizedIP.ProfileID)
+		}
+		if authorizedIP.PoolID != "POOL1" {
+			t.Errorf("PoolID = %s, want POOL1", authorizedIP.PoolID)
+		}
+		if authorizedIP.Address.String() != "172.16.1.1" {
+			t.Errorf("Authorized IP = %s, want 172.16.1.1", authorizedIP.Address.String())
+		}
+		if authorizedIP.Message != "alloc_success" {
+			t.Errorf("Message = %s, want alloc_success", authorizedIP.Message)
+		}
+	})
+
+	t.Run("AuthNoMatchPrfl", func(t *testing.T) {
+		var rply V1ProcessEventReply
+		err := client.Call(context.Background(), utils.SessionSv1ProcessEvent,
+			&utils.CGREvent{
+				Tenant: "cgrates.org",
+				ID:     "AuthNoMatchPrfl",
+				APIOpts: map[string]any{
+					utils.MetaIPsAuthorizeCfg: true,
+					utils.OptsIPsAllocationID: "testallocid212",
+				},
+				Event: map[string]any{
+					utils.AccountField: "9999",
+					utils.Destination:  "9999",
+					utils.SetupTime:    "2018-01-07T17:00:00Z",
+				},
+			}, &rply)
+
+		if err != nil {
+			t.Fatalf("ProcessEvent failed: %v", err)
+		}
+
+		if len(rply.IPsAllocation) > 0 {
+			authorizedIP, exists := rply.IPsAllocation[utils.MetaDefault]
+			if exists && authorizedIP.Address.IsValid() {
+				t.Errorf("IPsAllocation should have no valid IP when no profile matches, got IP: %v",
+					authorizedIP.Address)
+			}
+		}
+	})
+}